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  1. diatomic molecule vibrational frequency
  2. Single-Photon Added Coherent States
  3. magnet plunged into coil
  4. Need help to calculate misfit strain???
  5. fission
  6. Eigenfunctions of Angular Momentum
  7. heat transfer control
  8. QM: Fluctuating Hamiltonian
  9. anyone preparing/prepared for the IYPT?
  10. Reaction cross section
  11. Finding the kinetic energy of an Alpha Particle
  12. Relativistic Kinematics questions
  13. width of diffraction grating
  14. Simple Harmonic Motion - Vertical Spring
  15. point magnetic dipole at center of spherical cavity cut in ponderable medium
  16. Vibration shaker: electr. output power of piezodevice exceeds mechanical input power
  17. reversible process/entropy thermodynamics
  18. joule kelvin expansion, thermodynamics
  19. Higher order Feynman diagram
  20. Fourier transform to solve diff equation
  21. Boundary conditions in finite potential well
  22. Fermi Energy Matching in Semiconductors
  23. Help with line potential involving line integral
  24. Thermodynamics lab: Heat Engine Examination
  25. How do you calculate the strong isospin of nucleons?
  26. 4-fold degeneracy
  27. SR: Gamma rays creating election-positron pair
  28. importance of pi and phi for canonical quantisation
  29. Magnetic Field Strength
  30. Statistical mechanics and thermodynamics problem - pressure from in a box
  31. Special Relativity - Twin Paradox
  32. Difficult Integral?
  33. Generic question in Astrophysics
  34. Subsequent Measurements of two observables, compatible and incompatible pairs
  35. Moments and products of interia
  36. Thin hoop suspended by string and rotating
  37. angular momentum prob
  38. Spherical cloud of gas collapsing due to own gravity
  39. Inverse three level laser system
  40. pendulum accelerating around earth
  41. Periodic Surface Waves Produced by Non-Periodic Disturbances
  42. zero (e.g., unexpectedly trivial!) poynting vector
  43. Analyizing the dynamics of a pendulum hanging in an accelerating car
  44. equipartion Theorem rotation question
  45. Quark - antiquark annihilation
  46. Relativity of accelerating pole
  47. statistical mechanics - diatomic particles leaving and entering a box
  48. Is anyone good at special relativity? the "twin paradox?"
  49. Correlation Functions
  50. maxwell stress tensor
  51. A question in statistical physics
  52. 2 particles in p-state and d-state
  53. The length of time of the refrigerator
  54. Canonical Transformations, Poisson Brackets
  55. quantum mechanics particle in a well
  56. Electric potential of square loop
  57. Magnetic Moment to Angular Momentum Ratio
  58. Find radiation resistance of a wire....
  59. EVEN and ODD function in quantum
  60. Radial equation for atoms that are not hydrogen?
  61. Quick Quantum Eigenstate Question
  62. Hartree Model
  63. Changing potential in harmonic oscillator
  64. Schrödinger's equation problem
  65. Two masses under mutual attraction
  66. conduction electrons?
  67. Equations of motion for position/momentum uncertainty
  68. angular momentum and eigenfunctions
  69. General Relativity
  70. Crystal diffraction using Bragg's Law
  71. angular momentum quantum numbers
  72. Landau Angular Momentum Question 1
  73. Electromagnetic Reflection and Refraction
  74. Particle falling into a black hole singularity within a finite proper time
  75. Relative Velocity
  76. Help in steps on derivation of potential involve moving point charge.
  77. Esaki's Diode
  78. Coarse graining
  79. Propagators in QED
  80. Why is the amplitude of wave guide indepentent of z?
  81. Central Force (period of revolution and period of small radial oscillations)
  82. Quantum Field Theory
  83. Linearly polarised light through half and quarter wave plate
  84. Grassmann Algebra
  85. Image charges of a 30 degree corner
  86. entropy change for calorically perfect gas
  87. Table tennis experiment
  88. Condution of heat, alu pipe
  89. Variable dielectric permitivity
  90. centre of mass frame velocity
  91. 2D Harmonic Oscillator
  92. Temp and Pressure in stars
  93. Barriers and Tunneling
  94. Inductor/ Magnetic feild question.
  95. Quantum Simple Harmonic Oscillator
  96. Physics Question With Regards to Integration?
  97. Quantum Mech (Barriers and Tunneling)
  98. COMSOL Question
  99. Thermodynamics piston question
  100. Curve fitting for two functions
  101. Mechanics: Coordinate systems and vector's
  102. pulley experiment - newton's third law
  103. Using Ladder Operators
  104. Electric field inside a wire
  105. Quarks
  106. pulley experiment
  107. A problem with a series expansion
  108. Length of the day change if polar ice caps melt.
  109. Angular Momentum, calculating uncertainties
  110. Thermodynamics rigid tank, determine electrical energy supplied to air
  111. calc group velocity and wave velocity for a wave
  112. Relativity ..Help
  113. Fluid mechanics
  114. Angular momentum addition and expansion in states
  115. What is the amount of heat to heat a room?
  116. Renormalisation Calculations
  117. Calc retareded vector potentail
  118. Help me interpret what my professor meant?
  119. waveguide - attenuation of power
  120. waveguide principles
  121. Find the number densities of n-carriers
  122. find the intrinsic carrier density
  123. G-factor of Co 2+
  124. Free particle in a 3D spherical box
  125. Calculating reaction Q for inverse beta decay of NaI
  126. DeBroglie wavelength
  127. Please help me verifying and solving problem regarding moving retarded potential.
  128. Isentropic Turbine Help
  129. construct field tensor an dual tensor
  130. Wave packet momentum wave function
  131. loss of signal power in radio and wire transmission
  132. Basic QFT Question Driving Me Crazy!
  133. QFT. Effective action and the skeleton expansion, how the legendre transform works!!
  134. Finding speed of particle after collision
  135. Transmission and reflection coefficients for potential barrier
  136. tension/polar co ordinates
  137. white dwarf v. sun magnitudes
  138. Renormalisation Question
  139. Entropy of an ideal gas
  140. Generalise the magnetic field of multiple current loops
  141. Mutual Inductance - Two rectangular loops
  142. Projectile Motion
  143. stable circular orbit about black hole
  144. Kinetic Energy of a Rotating Water Molecule
  145. electric field of a dipole
  146. Diffraction grating
  147. Gas liquid absorption column
  148. x ray absorption help explain
  149. Schrodinger equation
  150. Quantum numbers of atoms in a given state "(number^number)letter"
  151. Polarization after reflection of a mirror
  152. Solving the Callan-Symanzik Equation
  153. Applying uncertainty principle to decaying states
  154. Local SU(2) Gauge Transformations
  155. Equations of Motion for a particle near a ring
  156. Temperature of sun-water heating
  157. Damped Harmonic Oscillator Using Greens Theorem
  158. Minus Signs in Feynman Rules
  159. Jackson problem
  160. gaussmeter wire electric field
  161. Nuclear physics question
  162. Free electron model
  163. Black Holes
  164. EM Theory: Refractive index of water
  165. metastable states
  166. Pulse duration from interferometric autocorrelation
  167. concentration, height, temperature
  168. Annihilation and Creation operator problem
  169. Homework about uncertainty principle
  170. Phase qubits
  171. Vector space QM question
  172. Electric field due to a finite and infinite sheet of charge.
  173. SHO in 2D - ground state energy
  174. Binding Energy of an atom
  175. monte carlo anharmonic simulation (need help deducing my lattice spacing)
  176. Cosmology Question
  177. Energy Change in Reversible Adiabatic Expansion of a van der Waals gas
  178. Derivative of Energy
  179. fermi electron gas
  180. rigid body dynamics
  181. At what redshift did the Universe beging accelerating?
  182. Total spin quantum number of helium atom with 2 electrons in first shell
  183. Evaluating Tensor in Special Relativity
  184. Differential equation solving problem, optical terahertz generation
  185. LHC - relativistic energy in the large hadron collider equal to fixed target energy?
  186. A problem in electrostatics
  187. Distance of Closest Approach
  188. (Waves) superposition of 2 pulses along a rope.
  189. General Relativity
  190. Penrose Diagrams
  191. Black Holes
  192. Heisenberg Hamiltonian
  193. Quantum Field Theory
  194. At what velocity should relativity be taken into account
  195. group theory - triangle rotation matrix problem? probably simple?
  196. de Broglie wavelength neutrons
  197. mass-spring approximation
  198. Baryon Octet/Decuplet Questions
  199. Bhabha scattering
  200. Application of the CKM matrix
  201. calculating force required for lifting
  202. Thermodynamics question
  203. Regularisation
  204. Conformal Mapping - Where to start?
  205. Energy Measurements of Particle in Superposition of States
  206. Particle in one dimensional potentional well
  207. Potential of sphere
  208. Wave harmonics problem.
  209. freezing potential of Quintessence
  210. (Fluids) Material and local velocity and acceleration fields.
  211. (Small oscillations) Finding Normal modes procedure.
  212. astronomy RA and DEC
  213. effective temperature of blackbody
  214. magnetic force on rotating spherical shell
  215. Intensity of quadrupole radiation as a function of speed
  216. Simple Lagrangian mechanics problem.
  217. Find Change in height in a Manometer
  218. Equations of Electron Dispersion in an E Field
  219. Grain growth equation
  220. magnetic dipole in two reference frames (special relativity problem)
  221. phase invariance of an EM wave in special relativity
  222. Individual distance between water droplets
  223. Chemical Thermodynamics: CO2 dissolves in water, find molality and pH.
  224. Arbitrary density matrix
  225. need Vectors help
  226. rate of emission of particulates from a power plant
  227. Thermodynamics problem - Find the kinetic energy of ideal gas, given P and V
  228. Black Hole Thermodynamics
  229. capacitance of concentric circles
  230. Thermodynamics: The principle of equal (a priori) probabilities
  231. Annoying Integrals
  232. Lie algebra generators
  233. Gas Laws
  234. vectors...
  235. Cosmology
  236. E&M/Plasma Physics Problem
  237. Notation question for Maxwell's Equations.
  238. Mean speed and most probably speed
  239. rate
  240. Sources of error for speed of sound lab
  241. astronomy determining velocity
  242. Number Density vs Energy Density of Radiation and Matter
  243. Statistical Mechanics - One dimensional Polymer
  244. Super-Radiance
  245. Angular momentum addition in quantum mechanics
  246. Real E and B fields of polarized parallel beam
  247. Electrostatics
  248. Converting between units for thermal conductivities (BTUs involved)
  249. Statistical Mechanics
  250. Find work
  251. Electric Field? potential energy
  252. Inductance and designing a coil
  253. form factor diffraction physics
  254. Dirac Fermions
  255. What is the work done by gas, given V, T and P
  256. lorentz transform of a wavepacket
  257. density of the flux
  258. Venturi tube help needed in determining pressure difference
  259. A sinusoidal perturbing potential
  260. Magnetic field Quesion
  261. Feynman Rules
  262. Force and moment on submerged surface
  263. Fluid Thread Viscosity
  264. orbital mechanics- change of inclination
  265. Venturi tube
  266. Ergoregion
  267. Help solving the speed for and electron, having same momentum as a proton at 0.62c??
  268. Pressure variation in a rotating tube
  269. bernouli equation with pump work input
  270. Integral over Grassmann variable in the holomorphic representation
  271. electron positron collision
  272. Dimension of a Tensor vector space
  273. Single bar in Cauchy Schwarz
  274. have i made it right?
  275. Clement Desmorme's experiment for Adiabatic Index gamma
  276. Retarded Potential
  277. Double Pendulum and Normal Modes (Kibble problem)
  278. Brachistochrone problem
  279. Light through a medium with variable refraction index
  280. Charge density (cell membrane)
  281. Early universe: equilibrium before nucleosynthesis
  282. AC voltages
  283. Hot air balloons!
  284. Find minimum energy of a photon to produce 25keV electron in compton scatter?
  285. About the Analytical Physics constraint writing........
  286. Dynamo to charge battery using electromagnet.
  287. Magnetic Field Problem
  288. Calculating Load from Modulus of Rupture
  289. Additional Term added to Electromagnetic Lagrangian
  290. Euler-Lagrange equation in vector notation
  291. Cable Tensions & Forces Problem
  292. Variational Calculus to minimize distance on a generalize 3D surface
  293. Fine structure of H, momentum-potential commutation
  294. Calculating Hypergeometric Function 2F1 for |z|>1
  295. Calculating the Potential using Laplaces Equation
  296. How to embed a wormhole???
  297. Lie Derivatives
  298. Tensor notation issue
  299. a little help with this Taylor expansion please?
  300. Modern Physics Question: Corrected potential for NaCl
  301. Angular momentum of a particle in Classical Mechanics
  302. Classical mechanics energy and momentum
  303. Derivation Of Snell's law
  304. Lorentz boosts and rotation matrices
  305. Some questions in Thermodynamics
  306. Mass flow and differentials
  307. Density Effect Correction
  308. Help with a vehicle dynamics problem
  309. Dynamic Magneto electric conductivity tensor for free electrons
  310. measuring acc., of gravity
  311. Decomposition of spinor products
  312. Calculate Amplitude using Decibels
  313. Static charge density vs free charge density
  314. a problem on kinematics
  315. Christoffel symbols for gravitational waves
  316. Matrix representation of differential operator? Straightforward but I'm an idiot?
  317. General Relativity - Killing Vectors and Geodesics
  318. GRE question: Young's Double Slit Experiment
  319. Electric Potential, curly r vs r!
  320. fracture mechanics
  321. RLC-circuit normal mode calcuation
  322. How to get the residue of this funciton at z=i
  323. Infinite sheet - Electric field
  324. projectile motion numerical help needed
  325. Short question on projectile motion
  326. Unbalanced star connected load with neutral
  327. Spin projection operator
  328. Fμν
  329. Prof that it is not possible to get a standing wave.
  330. Dipole antenna and electrical power
  331. Equations of motion of a particle over a cylinder+conserved quantities
  332. Griffiths QM Ground State of Harmonic Oscillator
  333. The work energy theorem in polar coordinates
  334. Quantum mechanics: Quantum particle in a harmonic oscillator potential motion
  335. Equations of motion of a particle over a cone+conserved quantities
  336. Maxwellian Distribution of Velocities
  337. Uncertainty calculation for calculating pi using Monte Carlo integration
  338. Closed Orbit of Hydrogen Atoms. How to find the classical turning point
  339. Classical Mechanics, cycloid pendulum
  340. Calculate average power in one cycle.
  341. How to compose permutations?
  342. A problem of Quantum Mechanics, please help.
  343. Pair production in boson-boson collision
  344. Laplacian of scalar potential
  345. Some circular motion questions
  346. Classical Mechanics, constraint motion problem
  347. Orbital Shift Hohmann transfer Isp Roket Fuel mass calculation
  348. electricity and magnetism
  349. electrostatics- superposition
  350. Square Conducting Ring - Electrodynamics Question
  351. amper's law superposition
  352. Calculating the resistance from R = pl/A
  353. Fluid dynamics (2nd year undergrad) question on jet incident on a plate
  354. Lorentz transformation where electric field vanishes
  355. Use Maxwell's Equations to derive one law from another
  356. Spin hamiltionian with respect to certain basis
  357. Reflection of sun on water
  358. Barrier and Tunneling Problem
  359. The highest temperature that enables water to freeze
  360. semi-infinite-well potential
  361. Simple coupled system
  362. Electric and Magnetic field Transformation
  363. Electromagnetics-Magnetic Flux Problem
  364. Numerical on excitation of atomic level
  365. Quick [Y/N] Q: Possible equations for B-fields?
  366. ElMag: Current-carrying Conductor, B inside a Hole
  367. Medical physics DAP guidelines
  368. Classifying light by photo statistics - poissonian, sub, super poissonian?
  369. Descriptive question on interaction states and mass states.
  370. "Fun" Magnetic Scalar Potential Problem
  371. A marble ball slides on circular path.
  372. Applying Kepler's 3rd Law
  373. absorbance and cross-sections
  374. A question about higher dimensions
  375. Double-Slit Interference (Thank you in Advance)
  376. Difficult Mass Exchanger Question
  377. Harmonic Oscillator numerical
  378. Eigenvalue of harmonic oscillator
  379. For an ideal gas He at T = 328 K find the two speeds v that satisfy the equation 2F..
  380. Longitudinal wave from one thin rod to another
  381. Energy and expectation value
  382. The discrete fourier transform
  383. Force direction
  384. Finding electric field/displacement current for time-varying current in coaxial cable
  385. Magnetic vector potential from an infinite current sheet with thickness t
  386. Theory of Interfacial Waves?
  387. How to design a plants watering watcher on a breadboard
  388. Bloch sphere and the spin's direction
  389. Hall effect - please help me!
  390. Finding dipole moment.
  391. regarding an approximation of p as 1 over r
  392. Dispersion Relations and Refractive INdex
  393. direction of magnetic field
  394. First law of thermodynamics applied to a submarine
  395. How did it get to that? Stretching Coulomb's law...
  396. Ground state energy and wavefuntion?
  397. Thevenin Equivalent Circuit
  398. Particle physics - exercises
  399. trying to compute electro static field
  400. Tensor math
  401. Boltzmann transport equation & drift-diffusion equation ~ Plz help me!!!
  402. Dimensions of Ponyting Vector
  403. Young Tableaux and spin products
  404. Nuclear Force Problem
  405. How to find eigenvectors of ugly transfer matrices in stat mech
  406. Pauli spin matrices, operating on |+> with Sx
  407. free electron gas model or classical theory
  408. Heat Equation with movable point source
  409. Raising and lowering operators
  410. Photons/Second from a 100W bulb.
  411. Magnetic field inside a cylinder which is rotating in a non-constant angular velocity
  412. heat transfer in fluids, Comsol 4.0a
  413. Finding the electric field of following setup
  414. Electromagnetic Brake system
  415. semiconductor quatum well find band gap question
  416. proving stokes theorem
  417. Foxhole radio problems that are way over my head!
  418. Is this a valid wave function?
  419. finding expression for instantaneous Electric field
  420. electricity due
  421. Finding the Uncertainty Limit from a data set
  422. Adding Electric Fields
  423. I have no idea how to solve this ques
  424. Otto Cycle: net work done
  425. integral for fourier coefficients for expansion of free particle in spher harmonics
  426. parallel-plate capacitor with flipping charge
  427. Puzzling problem (using virial theorem)
  428. A question on induced charge
  429. Classical mechanics: Central potential, trajectory
  430. Physical oceanography: Waves
  431. Electrodynamics in two space dimensions :-(
  432. electrostatic question with three circular disks.
  433. How to find the reflection coefficient of the load and the unknown load impedance?
  434. beam splitter->ONB->transition amplitudes
  435. (Special) relativity final question; gyroscope at relativistic velocities
  436. Help me Guys ! i need the answer of this 3 question :(
  437. 2 Quant. questions (expanding an abitrary state, transition amplitude?)
  438. Rainbow blob
  439. Particle co - moving in flat Roberston - Walker space - time
  440. Two body problem with additional force
  441. Mandl & Shaw Problem 4.3
  442. Why is the probability of measuring an eigenvalue its coefficient squared?
  443. Quantum mechanics: density matrix purification
  444. Plot a graph to verify the inverse square law and use the graph to estimate...?
  445. Muonic hydrogen, change in potential of the muon.
  446. Resistance of a wire with changing radius
  447. Eigenstate problem in QM
  448. finding electric field incident on a medium
  449. Lagrangian Mechanics
  450. Future of a particle in a box -- I'm fundamentally confused
  451. A problem with Wald's General Relativity
  452. Basic probability for quantum mechanics
  453. Proof about Expect value
  454. Why does only e^ikx+Re^-ikx solve the TISE for a potential step?
  455. angular momentum
  456. Schrödinger
  457. QFT- Compton Scattering Crossection
  458. Electromagnetism: Finding Electric Field of non Uniform Charged Rod
  459. A problem with a Dirac delta function potential
  460. Probabilities for lepton processes
  461. 1D Ising ground state
  462. Logarithmic decrement of a lightly damped oscillator
  463. Wave function
  464. Discrete state coupled to a continuum
  465. Higgs Boson?
  466. antenna torque requirement
  467. quantum mechanics(expected probability)
  468. physical interpretation of the "rotation" of a ket
  469. Comparison of absorption coeff. and refractive indices in EIT and in a two-level atom
  470. Fermi nuclear model
  471. Spring - Damper - Mass System (in series)
  472. Fowler-Nordhiem tunneling
  473. Free particle in quantum mechanics, Dirac formalism
  474. Calculations with Weyl Spinor Indices in QFT
  475. Why just two variables
  476. Eigevalues and eigevectors of an Hamiltonian
  477. A but linear algebra
  478. properties of electric lines of force
  479. applications of Vandegraff generator
  480. Hydrogen Atom.
  481. Proof for Problem 1.1.1 of Shankars Prin of QM
  482. Particle displacement by a speaker in a gas tube
  483. Complex electric field vectors
  484. electric dipole - derive torque from pot. energy
  485. B field at the center of a large charges sheet
  486. Classical mechanics, principal moments of inertia of a rigid body
  487. Mechanics, 3 coupled masses. don't worry, no springs!
  488. Quantum Mechanics, Simple harmonic oscillator, partition function
  489. Problem with Feynman's iε prescription
  490. Rigid body kinetic energy+ constraints (upper level classical mechanics)
  491. Defining the potential generated by a particle of unknown position and velocity
  492. Quantum Mechanics: Choose an acceptable bound state function
  493. Fourier Tranform of electric dipole charge density
  494. signal power vs signal energy
  495. Help me solve my dilema.Kinematics and dynamics of Rigid body problem.
  496. time invariance
  497. Special Relativity - Distance between photons
  498. heat transfer with changing boundary conditions
  499. Need some help/advice/guidance for question 11.6 from Wald, General Relativity
  500. Blackbody radiation
  501. Mechanical Physics problem with linearly increasing force and distance must find time
  502. Electrostatics: Computing net charge on a specific surface using multiple tests
  503. Propagator with Pauli matrices
  504. Dynamics: Angular Acceleration of Rods Connected to Disk
  505. Thermal Physics - Infinite Plates
  506. Using rapidity - prove velocity transformation equations
  507. Quantum Mechanics Commutation Problem
  508. free-field Dirac Hamiltonian
  509. when a particle in one dimension have discrete spectrum?
  510. Self-study on electromagnetism
  511. momentum of massless particle after decay
  512. L&L - Elasticity - couple questions on notation
  513. Calcium Carbonate Phases
  514. Energy balance at the bottom of a water-filled hole
  515. Bose–Einstein Condensate
  516. How much does your Weight increase when you running at a certain speed? and how muc
  517. Introduction essay to Parabolic Motion
  518. a few questions on blackbody radiation
  519. High symmetry point in GaAs superlattice
  520. Application: using energy and momentum to calculate estimated weight
  521. Spring with masses on either side - force constant and compression remain the same?
  522. what happens if you repeat stern-gerlach-exp. twice?
  523. [cosmology] Find the comobile distance of a galaxy given redshift and H0.
  524. Interaction between a dipole and a dielectric.
  525. Compton Scattering given Energy of Scattered Gamma.
  526. Mass Spectroscopy: Difference in potential
  527. very low accelerating objects in the universe
  528. Commutator of the Hamiltonian with Position and Hamiltonian with Momentum
  529. Numerical model of simple magnetic circuit
  530. Calculation of an electromagnetic field
  531. Help figuring out Tension Force
  532. Transmission probability (tunneling) question
  533. hydrogen orbits, magnetic field, orbit-spin interaction
  534. Accuracy of arcsin/arctan.
  535. First steps to understand small oscillations in CM +1 little problem
  536. Relativistic addition of orthogonal velocities
  537. Ideal-Gas Temperature Problem
  538. Steady state heat equation in concentric spherical shells
  539. Maximum "jerk" for experimental module
  540. Dirac Gamma matrices question
  541. Wavelengths due to electric dipole transitions
  542. Expression for the time average power dissipated in a resistance R
  543. confused about wave function
  544. algebraic problem calculating explicit form for rotation of a vector operator product
  545. Help with particle in a potential
  546. Solve problem without Lagrange Equations.
  547. Normal modes for small oscillations
  548. Uncertainty in measurement (GRE question)
  549. Recoil shift from a free H atom.
  550. Two slit interference
  551. Help with carbon dating question please
  552. What's the different between wave equation and Schrodinger's eq?
  553. Deriving thermodynamic relations
  554. Classical mechanics with a mass on a light elastic string
  555. Particle motion in a straight line - find opposing force as a function of velocity
  556. prove that derivative of the theta function is the dirac delta function
  557. Parallel Axis Thereom to find angular velocity
  558. Hamilton function of a free particle/Landau's book
  559. Mean values for hydrogen atom
  560. A thermaldynamics problem.(Carnot engine&equilibrium temperature)
  561. Show that E1-E0 is constant.(changing potential of Schrodinger's eq)
  562. Polarization Charge on the surface of a spherical cavity
  563. Calculating the Recoil Shift.
  564. Finding the Hamiltonian if I'm given the Lagrangian
  565. Solving the Kepler problem with the Hamiltonian
  566. Exam coming this week
  567. Normal Zeeman effect of hydrogen atoms
  568. Linear Expansion problem
  569. Finite Spherical Potential
  570. Electric Field in a cavity of a dielectric medium
  571. Infinite potential well- Delta potential inside
  572. Velocity of electrons
  573. scattering of Mev particles
  574. Dipole in a dielectric medium
  575. Quantum Mechanics help for a freshman undergrad
  576. In <Cosmology> written by Weinberg, in page 109
  577. chatode rays
  578. Question on the Hydrogen atom
  579. Question on tension in a vine..
  580. Gas pressure in gravitational field from the partition function
  581. Free energy of a magnetic system
  582. [Statistical Mechanics] An adsorption model
  583. Statistical Mechanics: classical Heisenberg Model
  584. a question about classical dynamic
  585. Gravitational Lensing deflection angle question
  586. How to integrate Joule's First Law (Joule Heating)?
  587. Rodrigues’ rotation formula?
  588. Cross-section Normalisation
  589. Feynman Diagrams on Srednicki's book.
  590. charge distribution in a conducting sphere
  591. transmission line
  592. Solution of wave equation
  593. What is divergence theorem in electrostatics?
  594. Statistical Mechanics - Specific Heat Capacity
  595. Derivation of geodesic equation from hamiltonian (lagrangian) equations
  596. Operator in quantum mechanics
  597. anomalous zeeman effect
  598. Does the color of a laser affect its velocity of the light wave projected by it?
  599. Continuity Equation and the Bernoulli's Equation
  600. Angular acceleration of a cylinder with a string
  601. Simple framework, maximum force and stress.
  602. What is a resonance?
  603. question about noncanonical transformations
  604. Partition function problems
  605. calculating the energy of a harmonic oscillator
  606. Ideal Hampson-Linde Cycle: a constant enthalpy device
  607. Angular Momentum
  608. Introductory Statistical Mechanics - counting number of microstates
  609. Question about Critical Temperature and Interface between Liquid and vapour
  610. Hamiltonian for a particle moving on a plane tangent to the surface of the easth
  611. Commutators and wave function
  612. Electrodynamics
  613. Schroedinger Equation Questions
  614. Hey my problem is,
  615. Two Particle Schrodinger Equation in Polar Coordinates
  616. How to visualize Poincare variables.
  617. How to derive Relation between Levi-civita Density and Kronecker's Delta?
  618. Spin half in rotating field
  619. NEWTON'S LAW OF COOLING.. using differential equations
  620. Statistical Mechanics Math Problem
  621. Poisson brackets little problem
  622. Radial Nodes and Degree of Exitation
  623. Electric field in electrostatic situation
  624. Frequency Bandwidth of Detecting and Amplifying
  625. EM Radiation oscillating charged mass
  626. Magneostatics - hollow sphere of spontaneous magnetization
  627. Electrostatics - Conducting torus and a point charge
  628. If a particle has a perfectly defined position wavefunction, what is its p wavefunc?
  629. smoothing effect of full wave rectification
  630. What determines if the photoelectric effect occurs?
  631. Feynman diagram of K0 transmutation
  632. Reactive Power Apparent Power Issue
  633. Energy of a particle in an orthoganally moving rest frame
  634. I need help solving an integral over density of states for electrons.
  635. Quantum Mechanics Equation Question
  636. Particle Decay
  637. Electrostatics - Finding potential V(r,z) given hyperbolic boundry conditions.
  638. Euler-Lagrange Brachistochrone Problem in rotating system
  639. Expansion of a trapped surface - clarification needed
  640. commute an operator with a constant
  641. transition probability for a step function perterbation
  642. Energy - Momentum tensor identity
  643. Use the variation method with trial Wavefunction (Szabo and Oslund ex 1.18)
  644. Physics of soccer
  645. OCR A level mechanics (M1) Chapter8 Work, energy, power... 5 questions HELP!!
  646. hermiticity of permutation operator
  647. problem about spherical angle operators
  648. Quantum Mechanics - Finding expectation value
  649. Stuck on the last step of a problem. Help please.
  650. Using gauss's law to calculate the change in electric field across an electron cloud
  651. Molecular Rotation - Adjacent lines in pure rotational spectrum: find equilibrium sep
  652. Schrodinger equation
  653. A possible case of an irreversible process in which total entropy decreases
  654. rotational and vibrating energy levels - find energy separation
  655. Harmonic oscillator in capacitor.
  656. Gauss's Magnetic flux
  657. Weizacker Formula Equation
  658. conservation of linear momentum
  659. Entropy change of a hot, falling object
  660. Question about Damped Simple Harmonic Oscillation !?
  661. QM exercise problem
  662. Mass of Fuel Rods
  663. General Relativity Problem Questions
  664. Problems with Dimensional Analysis.
  665. Questions on Gauss
  666. Thermal Statistics - Microstate Probabilities
  667. Potential of a charge approaching a perfect conductor.
  668. Hamilton operator with moments of inertia : time - independence
  669. Colour and Temprature qustion
  670. Lorenz transformations for two parallel inertial systems
  671. how to get lagragean when hamiltonian is given
  672. force of repulsion
  673. Quantum harmonic oscillator with harmonic perturbation
  674. Jordan normal form, motivation
  675. One Dimensional QM particle Problem
  676. Fresnal's biprism formula for d
  677. 3D plot of electrical potential
  678. general normalized state for a state vector
  679. Separating capacitor plates: (+) or (-) work?
  680. Help with Masive photons
  681. Pressure problem
  682. Entropy of Mixing for Two Ideal Gases at Different Temperatures
  683. Continuity Conditions for the tangential components of a static electric field E
  684. (Quantum Mechanics) Prove that <p> = m (d<x>/dt)
  685. Electromagnetism and Relativity
  686. (Quantum Mechanics) Infinite Square Well
  687. Change in entropy in an isolated system
  688. A tractable Baker-Campbell-Hausdorff formula
  689. Operators and Hermiticity
  690. a problem from crystallography
  691. number of quantum states
  692. Plasma Physics Debye Shielding
  693. heat conductance and temp measurement
  694. A mass at the top of a vertical hoop. (Lagrangian Mechanics)
  695. Spacetime Inverval Invariance using Lorentz Transformations
  696. Zero-point energy from Schroedinger equation using Ritz variaton principle
  697. equation of motion started of Einstein tensor
  698. total derivative in action einstein hilbert
  699. Statistical mechanics of neutrinos
  700. Thermodynamics- thermal expansion coefficient
  701. Incident, reflected, transmitted waves
  702. DeBroglie wavelength and nucleon velocity
  703. Heat Pumps - Minimum Power
  704. Faradays law in different units?
  705. Langevin equation in external potential
  706. Spherical Harmonic Wave Function =? 3D Wave Function
  707. Determining Normalization Constant
  708. Brightness of distant galaxies problem
  709. Electric field inside a cavity within a sphere
  710. Average value for the squared momentum in the harmonic oscillator
  711. Electromagnetic - finding the complete field by knowing either E or B
  712. thermal - why check tire pressure when it's cold?
  713. Confusing question about statistical mechanics
  714. Gravitational Lensing angles
  715. :-( Electrodynamics - Finding Equations of motion
  716. Thermodynmaics- Energy equation
  717. problems with electromagnetic fields inside matter
  718. Expectation Values for momentum and a particle in a square well
  719. Conservation of Energy/momentum in Photoelectric process
  720. Wave equation ( partial differential equations)
  721. Short range repulsive forces
  722. A problem involving hybrid component forms
  723. Ideal opamp output current
  724. Quantum expectation value (griffiths)
  725. Flux through a square surface
  726. how do I get E field?, etc.[Griffiths EM example 7.2, p 287.]
  727. Express electrostatic energy in terms of both charges
  728. Classical mechanics with time dependent force
  729. Photon-Photon scattering
  730. Classical mechanics equation of motion
  731. Spinning Mass and Finding Omega
  732. measurements of neutrinos
  733. Analytical Mechanics - rolling wheel (accelerating)
  734. 3D Quantum harmonic Oscillator
  735. reversible and entropy (thermo)
  736. The errors leading to the discrepancies between q-value
  737. Basic Question about Time Dependent Wave Functions
  738. nyquist - shannon sampling theorem example
  739. merry go round-girl letting go of bag
  740. Show that: Commutator relations (QM)
  741. Capacitance of Parallel cylinders
  742. Time dependent dispersion (Quantum Mechanics)
  743. quantum statistics expectation value
  744. skin depth of a good conductor
  745. Two level laser
  746. Chemical potential
  747. Magnetostatics problem: find B and H
  748. probability density
  749. Field intensity of a sheet of charge
  750. Multiple Tracking
  751. Missing step involving e for maxwell equ. solution
  752. Show that: Translator operator can be expressed in terms of...
  753. Relation betwen de broglie and compton
  754. inner product of two signals
  755. draw forces of level sets
  756. Circular motion
  757. Magnetic Moment of a Charged, Rotating Sphere
  758. Fabry perot Laser
  759. heat transfer processes in ideal gas PV diagram
  760. 2 mass collission , find speed
  761. Can you please check my translation?
  762. evaporation moisture
  763. Plank's blackbody spectrum
  764. Lennard Jones Potential
  765. Plank's blackbody equation
  766. damping , spring model, with equation of motion, find unknown C
  767. two particle of mass, find distance of equilibrium position?
  768. Experimental determination of Stefan's constant
  769. Finding the Space Charge Density
  770. First order coherence classical optics problem
  771. commutator of two operators
  772. Quantum Physics/ Need help understanding the spin-allowed (dS=0) dipole transitions
  773. Metric GR
  774. Show that the vector has zero divergence
  775. harmonic oscillator partition function
  776. Question about a mercury barometer with an imperfect vacuum
  777. Green's function for a critically damped oscillator
  778. Probability in quantum mechanics
  779. Calculate most probable energy from Maxwell-Boltzmann distribution of energy
  780. Potential of Concentric Cylindrical Insulator and Conducting Shell
  781. Estimate section of area under Maxwell-Boltzmann Curve
  782. Evaluating a 'logarithmic' derivative
  783. surface tension and work of a bubble or drop? S
  784. Measurement in quantum mechanics problem
  785. Significance of commutators in Quantum mechanics
  786. how to get the solution of idU(t)/dt=H(t)U(t)
  787. Fundamental Equation Thermodynamic Postulates
  788. Compton Scattering: Finding Angle from only Initial Energy
  789. Need help: bouyant forces
  790. Please Help Quickly Thermo Single-Component Adiabatic System Derive Energy Equation
  791. Thermo physics. Dealing with adding dQ to a system with P held constant.
  792. density matrix and averages
  793. pendulum with time dependent length
  794. Solid state physics, Ibach & Luth, solutions?
  795. Potential Energy
  796. Solving for magnetic vector potential (An integral issue)
  797. Find the flux through a surface S (Electromagnetic Theory)
  798. Electric Fields, Flux, Gauss' Law
  799. State space and its subspace : finding a basis
  800. Time Evolution of Wave Function
  801. vector potential confusion
  802. Question 1.7 Griffiths Introduction to Quantum Mechanics (2nd Edition)
  803. Transmission coefficient of spin-1/2 in magnetic field
  804. Ordinary Diffusion and integration by parts
  805. Modern Optics problems
  806. Charge enclosed in cylinder question
  807. classical mechanics problem
  808. Magnetic Field
  809. Finding the centroid of a cardiod curve.
  810. Determination of the polarization of a light wave
  811. Electric Field: Gauss' Law
  812. grad, div, and curl?
  813. Quantum mechanics problem - Potentials
  814. Diffusion regime in plasma SOL
  815. confuse over nuclear fusion
  816. Geometrical Optics, Perfect Images
  817. Deriving minimum escape height and velocity
  818. Newtons Three Laws and Force Question
  819. Classical mechanics - finding distance D in terms of velocity
  820. Waves question
  821. x-ray question about form factors
  822. Classical Mechanics - Coriolis Force
  823. Calculating Electric field and total charge
  824. need help to find pressure for Alvelous
  825. integrating 3 equations together..
  826. finding center of gravity
  827. Wave Intensity
  828. A rod constrained at it's ends
  829. Vector and Basis Transformations
  830. Properties of Hermitian operators in complex vector spaces
  831. Coupled Motion Pulley Problem
  832. Schrodinger Equations
  833. TERMODYNAMICS - gas leaking from container at T=const
  834. Coupled Q. Harmonic Oscillators
  835. Integrating Dirac Delta
  836. Expressing a potential inside a spherical shell as
  837. raising and lowering operator coefficients
  838. Heat Transfer Through a Plane Wall
  839. Using the sun to heat a liquid
  840. Terminal Velocity In Glycerin 2.10 in "Classical Mechanics"
  841. Eigenvectors of coupled 2 different mass system
  842. Finding vector potential
  843. General question regarding coordinates
  844. Parachute and Air Resistance
  845. Wavelength in finite potential well
  846. Quantum mechanics and expectation values.
  847. Motion Question
  848. Sublimation of ice
  849. Orbital Nodes (Diagrams of Psi/Psi^2)
  850. Calculating maximum amount of water vapor per unit volume
  851. Lattice binding energy
  852. Entropy change in a reversible isothermal process.
  853. Quantum Harmonic oscillator problem
  854. One dimensional wave equation
  855. Degrees of freedom and conversion of a system of O.D.E.'s into 1 O.D.E.
  856. Thermodynamics - Kinetic energy in a compound
  857. Parity and Copehagen
  858. Analyzing a Wave Function
  859. Normalizing Ψ
  860. Arfken, parity operation on a point in polar coordinates
  861. commutator of f(x) and x
  862. Question about normalization of wavefunction
  863. Related Rates Type Physics Problem
  864. Simple Static Pressure problem, need help with units
  865. Random relativity question.
  866. Prove that exp[A].exp[B] = exp[A+B] only if A and B commute.
  867. Probability and expectation values
  868. Please help someone! Charge and current questions!! nightmare!
  869. Equation for magnetic field line of dipole
  870. Calculate how long it will take for the ice to melt??
  871. Landing Airplane Wheel
  872. Please help,find the operator for position x
  873. EFunction and Energy of Infinite potential + Parabolic potential well
  874. Force exerted on U-shaped pipe by steady air-flow... help please!! :)
  875. calculating gas flow trough a pipe
  876. How to couple apin angular momenta of four electrons?
  877. Electrostatics, infinite charged hollowed cylinder
  878. Electric Flux Leaving Surface
  879. motion question
  880. Striaght Line Charge of Finite Length (E Field)
  881. Charged Square Contour (E Field)
  882. Trying to derive equation for acceleration in spherical coordinate system
  883. Two Level System - Finding Energy as a function of Temperature
  884. Tension Leg Platform - Tendon Forces
  885. E Field due to 2 parallel oppositely charged strips
  886. Statistical Mechanics: Partial derivative with fixed variable
  887. Adiabats versus Isotherms - Quick clarification
  888. Intro Quantum Course Fourier Analysis
  889. Energy State Probability Particle in a Box
  890. Deriving/Calculating the Mass of Earth's atmosphere
  891. Verifying the integral of a dirac delta function
  892. Derive Gibbs function for dry air .
  893. Normalize the wavefunction for unit flux
  894. Classically determining velocity of particle in a box
  895. dipole of a charge distribution
  896. Energy associated with electric feild.
  897. potential at a point
  898. Radius of the path of an electron in a magnetic field?
  899. Acceleration Position question
  900. Parallel plate capacitor question
  901. Electron spin after Sx measurment
  902. Rectangular Potential Barrier Where E=V0
  903. Computing Electric Field From The Potential
  904. Probabilitry of finding particle between....
  905. Muon Lab Questions
  906. Deriving Maxwell's Equations
  907. Probably simple proof (Stoke's Theorem)
  908. Mass spring system. Am I on the right track?
  909. A one-dimensional Gaussian Wave Packet
  910. Stefan's Law Applied to the Sun
  911. "Theory" question -- Blackbody Radiation and Light
  912. EM Tensor, B field
  913. Intro To Electrodynamics, Griffiths #1.9, please help me! TRANSFORMATION LAW QUESTION
  914. Electron spin state representation
  915. Ideal Gas Under A (Complex) Reversible Process
  916. Thermaldynamics - Adiabatic system W = delta(U)
  917. Conformal invariance of null geodesics
  918. Voltage Regulating
  919. Rectangular Waveguides: Effective Index Method
  920. calculate frequency change due to gravity
  921. Statistical mechanics: Sums of exponentials with sums.
  922. Electric Dipole - Oppositely charged hemispheres
  923. Maxwell equations and wave equation in a medium
  924. Two Poisson processes in Series
  925. simple question on particle spin
  926. Adding electric field vectorially
  927. What is a Leading Correction?
  928. Proton Collision and Coulomb Barrier
  929. prove the lorentzian function describes resonant behavior
  930. Relativistic Momentum: Force Accelerating a proton
  931. advanced mechanics - x(t) from v(x)
  932. Lattice parameter + valence + avg time between collisions
  933. Finding the Charge on a Capacitor
  934. Tight Binding Hamiltonian for Graphene
  935. maximum velocity at the lowest point
  936. Massive Scalar Field in 2+1 Dimensions
  937. Derivation of the Debye Specific Heat Capacity
  938. Solutions Manual for Physical Biology of the Cell
  939. Series Solutions to TISE
  940. questions about rotating dumbbell
  941. Incompressible viscous flow
  942. Photomultiplier Tube - Gain and Secondary Emission
  943. Form Factor
  944. Question about angular momentum quantum numbers
  945. Determining Neutron Wavelength with mass alone
  946. Question about spin magnetic quantum number
  947. Thermal Physics problem - please help
  948. Experimental negative work function?
  949. Potential difference of concentric conducting shells...
  950. Degeneracy Question
  951. Charged ring and charged particle problem
  952. Bound particle, quantum mechanics, conceptual question
  953. Expectation value of the expectation value
  954. Urgent: Confusing matrix operator equation
  955. Double slit peak intensity
  956. Problem about pulley system
  957. Electromagnetism: Gauss's Law
  958. Three concentric shells, one uncharged (Potential)
  959. Three concentric conductors, one grounded (Potential)
  960. Work in Adiabatic/ Isothermal and Piston
  961. E&M Maxwell equations and Stress tensor
  962. electrostatics problem about part of a hollow sphere
  963. The expectation value for the radial part of the wavefunction of Hydrogen.
  964. Rutherford scattering differential probability function
  965. Dirac Notation - Position and Momentum
  966. gamma matrices
  967. Uniform ladder sliding on smooth surface
  968. Math Methods Question about triple product
  969. A rectangular hollow conductor, open at one end
  970. Coaxial cable charge density
  971. Speed of sound in an ideal gas
  972. Commutation relation of operators involving momentum and position
  973. Entropy calculation.
  974. Cross section - scattering of light by light
  975. Bending of light in a uniform gravitational field
  976. Measurement of e/m for electrons question
  977. QM: Linear momentum of angular momentum eigenstate
  978. Electric field inside semiconductor diode
  979. Wave superposition.
  980. Cloud Collapse/Degeneracy
  981. Terminal Velocity
  982. Gauss Law Problem With A Spherical Conductive Shell
  983. Finding electron mobility
  984. EM wave propagation direction.
  985. Electric Field On Charged Cylinder
  986. Suggestions for books of Electrodynamics.
  987. What limits the amount of current that can be drawn from the space-charge
  988. Radiative equilibrium temperature of a satellite
  989. Expectation Value for Gaussian Wave Packet.
  990. Calculation of error in mass
  991. Coriolis Effect On A Projectile
  992. Stellar mass function
  993. Problems with Fourier transformation: jump at discontinuity
  994. Quantum pendulum
  995. Griffiths- Introduction to Quantum Mechanics 1st vs 2nd edition
  996. Baker-Campbell-Hausdorff formula
  997. Proving Poisson's equation in 2D
  998. vertically launched rocket problem with integration
  999. Need a physical picture!!!
  1000. Planet transit to derive system parameters
  1001. Airflow in a porous wall
  1002. compare efficiencies of petrol/Diesel//stirling
  1003. 3D Electric field vector calculation for two parallel plates
  1004. EM: Fourier Transform
  1005. Thin disc above grounded plane
  1006. QM-- Stefan's constant vs radiation constant
  1007. Waves in Aluminum
  1008. Photon frequency change taking recoil into account
  1009. Choosing coefficients for eigenvectors.
  1010. Energy Spectrum of Two-State System
  1011. Amplitude of spectroscopic signal
  1012. Static forces/torque
  1013. Quantizing the oscillator. I'm having trouble getting a real number for the velocity
  1014. Proof of Plancherel for quantum
  1015. Perturbation with equations of motion for air resistance
  1016. Toroid of Circular Cross-section
  1017. Variation problem in Schrödinger's first paper
  1018. Constructive/Destructive Interference of Two Glass Plates
  1019. Charged particles deflecting in a statics question.
  1020. Weinberg QFT p.65-66
  1021. Homogenous Equations
  1022. using uncertainty principle to estimate ground state energy
  1023. variational method particle in box approx.
  1024. someone please help i have a test tomorrow!!
  1025. Dielectric Sphere with Free Volume Charge
  1026. COP refrigerator/freezer problem
  1027. point charge equilibrium w/ line charge problem
  1028. Energy of Donor Electron
  1029. Fluid Dynamics - Flow through a pipe
  1030. Introductory QM problem in 3D
  1031. Cyclotronic motion problem.
  1032. spring problem
  1033. Topics for a physics presentation
  1034. Binary star system
  1035. Gauss law differential form.
  1036. Shwoing the sensitivity of many body systems oi small perturbations
  1037. Nuclear Physics decay
  1038. Desnity matrix method to calculate polarizability of H2 molecule.
  1039. Vector calculus identities and maxwell equations
  1040. Spin 1/2 Basis Change
  1041. Hydrostatic Force on a submerged dome
  1042. Electrostatics, infinite concentric cylindric conductors
  1043. Electric Potential Problem
  1044. Non conservative energies on a Loop
  1045. AP Physics - 2D Projectile motion with rifle
  1046. Three magnetic systems in thermal contact
  1047. Modelling a Falling Slinky w/ Lagrangian
  1048. Projectile motion and trajectory
  1049. Uniformly Polarized disk on a conducting plane (E-Field)
  1050. Thermodynamics problem- paint-ball being launched.
  1051. Isotropic 4th rank tensor
  1052. Diagonalizing a matrix using perturbation theory.
  1053. Temperature ratio across normal shockwave
  1054. Potential energy of an hemispheric shell
  1055. far-field irradiance corresponding to the electric dipole moment
  1056. Electostatics
  1057. Deriving Group Velocity for Gravity Waves
  1058. Integral form of Gauss' Law, Parallel Plate Capacitor
  1059. Second order polarization
  1060. Question about basic Q.M. concept
  1061. Difference of electric potential between the axis of the cylinder and its surface?
  1062. Lie algebra of the Poincare group
  1063. Stupid Special Relativity
  1064. Electrostatics, potential between and outside concentric spheres
  1065. inverse fourier transform of gaussian
  1066. Clothoid/Fresnel Integral - Determine arclength/radius
  1067. Expectation values and the Harmonic oscillator
  1068. train inertial referance frame
  1069. dog sliding in a truck. urgent
  1070. Chapter 1 cohen tannoudji
  1071. Calculation of plasma frequency and static dielectric constant (urgent)
  1072. Nodes and orbitals
  1073. Finding the equations of state for a particular system
  1074. Minimum time taken by elevator
  1075. 4 vector notation help
  1076. Electric potential for an axial quadrupole
  1077. D'Alembert/Virtual Work Problem
  1078. Pressure problem at varying depth
  1079. Linewidth of emission and the uncertainty principle
  1080. Wave Equations in Bras and Kets
  1081. Unusual elastic beam problem
  1082. Discussion about thermal chemical-equilibrium gas and calorically perfect gas
  1083. Why is frequency response an important characteristic of an amplifier?
  1084. Sudden barrier removal to half harmonic oscillator
  1085. Electromagnetic forces in Three Phase Copper Busbars (Rectangular)
  1086. is the value of K^2 (Electromechanical coupling) the same in both directions ?
  1087. Concentrical conducting spheres with charge distribution and dielectric
  1088. Electric Potential Problem
  1089. Lagrangian equations of motion
  1090. Rhodium Thermal absorption cross section.
  1091. condensing steam
  1092. Quantum free particle
  1093. semi-circle with small angle harmonic oscillations
  1094. Showing the equivalence of two integrals
  1095. Capacitance with Non-Uniform Dielectrics
  1096. Quantum Griffiths Example
  1097. comparison of width of a wavefunction in real space and momentum space
  1098. Computing operator in bra-ket within momentum space
  1099. Planck's Law, Quantum mechanics help
  1100. Finite square quantum well - depth
  1101. Charged Shape Described by a Function - Urgent
  1102. Conceptual question on the expansion postulate
  1103. Commutator of density operator with kinetic energy operator
  1104. Reading phonon dispersion curves
  1105. Photoelectric effect -- experimental
  1106. Milikin Drop experiment change of charge with E-Field
  1107. Michelson-Morley Experiment question
  1108. Derivation of angular frequency of coupled Oscillator-vertical spring
  1109. Density Matrix Examples?
  1110. Electric Force problem --> Infinite charged plane with hole
  1111. 3rd year Thermodynamics-Entropy problems
  1112. Quantum mechanics, potential well
  1113. Michelson Morley Exp. Phase Difference Question
  1114. Separation of Variables for a Rocket Launched in a Gravitational Field
  1115. Hall Voltage Conundrum. Was Edwin Wrong?
  1116. Scaling and Proportion Physics problem. Please Help!?
  1117. Question about the Heisenberg Picture
  1118. Finite square potential well
  1119. Superposition of Two Waves
  1120. Related to Gauss's law (charge distribution throughout the volume of a cylinder...)
  1121. Identical particles in a 2D potential well
  1122. Poissons' Equation, Electric Potential
  1123. Time varying potential
  1124. Vertically Oriented Dipole magnetism
  1125. Expectation value of uncertainty
  1126. symmetry
  1127. Expectation Value <x^2>
  1128. Problem: particle in infinitely deep potential
  1129. Working with operators
  1130. Density Matrix Question
  1131. Electric Field of a Charged Ring
  1132. Need help! A problem with Cohen Tannoudji's book
  1133. Superconductors, ElectroMagnets and MagLevs
  1134. Divergence of Energy-momentum Tensor
  1135. Impedance Problem
  1136. Ideal gas inside a sphere under the influence of gravitational field
  1137. Find the complete orthonormal set of eigenfunctions of the operators B-hat
  1138. coaxial cable
  1139. A mass moves under a potential V (x) = V0 cosh (x / x0 ) , where V0 and x0 are consta
  1140. Simple Lagrangian question, not getting right answer
  1141. find the power emitted (quantium mech)
  1142. Projectile motion with two angles
  1143. double oscillator potential
  1144. Hermitian Operator in Inner Product
  1145. Energy of an damped/undriven oscillator in terms of time?
  1146. electric field
  1147. proton electron mass ratio calculation
  1148. Resistance of a toroidal conductor
  1149. HELP ME ASAP PLEASE: A flea is at point A on a horizontal turntable...
  1150. Maxwell's equations on the boundary between non-conductor and conductor
  1151. Bragg diffraction / Solid state physics
  1152. How to find a neutron dispersion curve
  1153. Experiment, due tonight, 12AM.
  1154. Conservation of probability
  1155. If the state |psi> is normalised, what is the value of |c|?
  1156. Shear stress on oscillating wall in viscous incompressible fluid
  1157. Rocket equation: leaking bucket
  1158. normalise wavefunction of hydrogen atom
  1159. comment on the outcome of the experiment in the light of the chi-squared probability
  1160. Energy required for temperature raise - temperature-dependent specific heat capacity
  1161. Prove the basic rule's of Poisson's Brackets?
  1162. Shogin that F=-grad(U) in a centrally cymmetric force field
  1163. infinitely extended cylindrical region in free space has volume charge density
  1164. Electric potential at the charge
  1165. Normalised Energy Eigenfunction (Probability with Dirac Notation)
  1166. Focal length corrective lens
  1167. For Angular Momentum Operator L, prove [Lx,Ly] = ihLz
  1168. show function satisfies classical waveequation
  1169. Commutation of Angular and Linear Momentum
  1170. Point Charge on Semicircular Ring
  1171. Gaussian wavefunction; expectation energy
  1172. Spring/Mass System with Unequal Masses
  1173. Electrodynamics (Fourier)
  1174. Millikan oil drop experiment
  1175. Thermodynamics Cycles (Piston Question)
  1176. A question on reduced density matrix
  1177. Decay and couriers!
  1178. Principles of Quantum Mechanics - mathematical introduction
  1179. Plotting acceleration vs time graph from accelerometer voltages? SDOF damped free vib
  1180. Current density and Ohm's law
  1181. Schrodinger equation for potential drop
  1182. Derivation of the Lorentz force, QM
  1183. Angular Momentum Eigenstate
  1184. particle in semi infinite potential well
  1185. Gas forces
  1186. Oscillations
  1187. Multiple Pullys and determing Tension
  1188. Time interval btwn 2 particles colliding (each with diff v and elevation)
  1189. Help with determining other mass of a relativistic collision
  1190. Adiabatic perturbations and Fermi's golden rule
  1191. Charged cylinder with charge inside, find force
  1192. z-operator acting on an angular momentum quantum state
  1193. Thermally isolated cylinder - work done and temperature changes in each chamber
  1194. Spherical Harmonics/Angular Momentum
  1195. find the electric field a distance z above a disc of radius R and surface charge...
  1196. Prove that two transformation laws of the Christoffel symbols are the same
  1197. Wigner D-matrix
  1198. Raising and lowering operators
  1199. Maxwell elements in parallel
  1200. Ideal gas partial differential calculus
  1201. find momentum of wavefunction
  1202. Eigenstates of composite spin hamiltoninan
  1203. Vector identity involving grad and a function
  1204. Barrier Deformation and Impact of Car
  1205. Lagrangian/ Noether's Theorem
  1206. Orthogonality of the coefficients of the Lorentz transformation
  1207. Diesel Engine Problem - Find total work
  1208. Rewrite Lagrangian's equation of motion as a 1st order difeq
  1209. Bond Energy & Enthalpy
  1210. Expectation Value/ Evaluating Gaussian Integral
  1211. a spherical body moving with an unknown center of mass
  1212. refractive index plasma mode
  1213. Uniaxial crystal D direction
  1214. Relativity Frames Of Reference
  1215. Double delta-function potential
  1216. Math Problem Issue
  1217. Magnetic field of Earth, corresponding current
  1218. Special Relativity calculating a time period so simultaneous in all reference frames
  1219. Maxwell's Equations and a circular capacitor
  1220. Classical mech non-inertial frame bead on a rotating ring
  1221. Physics problem Thermodynamic cycle
  1222. H atom electron in combined spin/position state
  1223. Schwarzschild Circular Orbits Problem
  1224. Isobaric Expansion
  1225. Harmonic oscillators and commutators.
  1226. radius of gyration
  1227. Derive projectile equations. Please help!
  1228. Angular Acceleration of Camera
  1229. Parametric representation of a vector electric field
  1230. Topics on Absolute zero
  1231. A question For experts in Solid State Physics
  1232. Quantum Tunnelling - Transmission Probability
  1233. Fermi Energy level with respect to band gap energy
  1234. Pair-production derivation for h*nu_min
  1235. Solving 2-D Schrodinger Equation?
  1236. Complimentary Unitary Operators
  1237. Electromagnetism - Potentials due to point charge and along line of of charge
  1238. Solid State Physics- Finding concentration of donor atoms (Nd)
  1239. Solving to prove that an operator is Hermitian
  1240. Infinite Non-Square Well Potential
  1241. Metal Sphere surrounded by dielectric
  1242. Mass confined to a rotating hoop with a moment of inertia I3 about the vertical axis
  1243. Deriving Hubble redshift in closed Universe from Maxwell equations
  1244. Direction of dipole's electric field
  1245. Finding the Stokes and anti-Stokes lines
  1246. First-order perturbation with a nonlinear driven oscillator help
  1247. Expected value inequality
  1248. Deriving the thermal conductivity of graphene
  1249. Signals and Systems: Deriving length of discrete convolution signal
  1250. Klein Gordon eqn, decoupling degrees of freedom
  1251. QM- Why is the separation constant +/-l(l+1) ?
  1252. gravitational quadrupole moment
  1253. Force on charges inside/out of a hollow conductor
  1254. Astrophysics/Cosmology question - redshift
  1255. Qm - Hermitian Commutator [A,B]†
  1256. Complex Scalar Field
  1257. Weight before/after change in rotation Speed
  1258. QM: Infinite Square Well -a/2 to a/2
  1259. Quantum finite square well
  1260. QM, Give an example of a state vector |psi> being represented in a space spanned...
  1261. understanding key concepts in Quantum Mechanics/Condensed Matter Physics by a chemist
  1262. Maxwell field wedge product basis
  1263. Kinetic Theory!
  1264. Calculating final pressure
  1265. Pendulum on Pendulum, velocity in non inertial frame
  1266. Phase space
  1267. Matter density parameter = 1
  1268. PGRE | Positronium Question
  1269. How do I find the pressure coefficient at the stagnation point?
  1270. Constructive & destructive interference of light waves
  1271. QM: Spin and Angular Momentum.
  1272. Momentum density vector of a plane em wave
  1273. So frustrated been at it for over an hour. electric field and electric potential HELP
  1274. The SE of a particle in a ring
  1275. Dirac Notation and Magnitude of Bra's Help
  1276. Double Delta Fuinction Potential - Tell me if Im correct please
  1277. Deriving the enclosed Mass
  1278. Help me check my solutions, please!
  1279. Quantum Tunnelling and the Ramsauer-Townsend effect
  1280. purpose of fourier series and fourier transform
  1281. Density of states for a free electron
  1282. estimate light, eletron, neutron beams energy
  1283. Electric potential constant within a conductor?
  1284. Find the expectation value of momentum squared for a simple harmonic oscillator
  1285. Eigenvalue eqn for a electron in a one-dimensional lattice
  1286. Damped　Spring　CoIIision　
  1287. Simple static load problem giving me hell! (sketch provided)
  1288. Callen: Thermodynamics (general fail)
  1289. De broglie wavelength?
  1290. Find the probability that certain measurement results will be obtained
  1291. Torque for rotating a shaft of unbalanced weight
  1292. Delta Function Bound State
  1293. Deployment of a Truss in Space
  1294. hermitian conjugate of plane wave spinors for Dirac equation
  1295. time evolution and Feynman Integrals
  1296. how to convert this into eV
  1297. Thermo question on mean square of concentration
  1298. starting from the equations for a dipole oriented along z, show that the field...
  1299. quantum mechanics inner products
  1300. Quantum Mechanics Variational Method
  1301. quantum mechanics, symmetry and degeneracy
  1302. Eigenvalues and Eigenstates of Spin Operator
  1303. electric field in a hollow cylinder
  1304. Free Body Diagram Of a Situation
  1305. A person can focus objects clearly only between 15 cm and 40 cm.
  1306. Collisions in Center-of-Mass coordinates
  1307. Rutherford Backscattering Spectroscopy Question
  1308. Finding the maximum velocity of a wave on a tight string
  1309. What is the total charge on the surface?
  1310. Mutual Induction of a solenoid and a coil
  1311. find the torque on each dipole about its centre
  1312. Sliding object against air resistance, working out when object comes to rest
  1313. How does a debounce switch work?
  1314. Conservation and angular velocity
  1315. Modern Optics: Polarization
  1316. Dielectrics
  1317. electron capture
  1318. fresnel zone plate diffraction
  1319. Extended free body diagram
  1320. Boltzmann Transport Equation : Hall Effect in the Relaxation Time Approximation
  1321. Free Particle and the Schroedinger Equation
  1322. Uncertainty for delta E
  1323. Calculating radius of a blackbody
  1324. Quantum Mechanics Spin Expectation Value
  1325. Heat Capacity Power Series Approximation
  1326. Challenging Semi-Infinite Potential Well Problem
  1327. What are some solutions to the Schroedinger Equation?
  1328. Find gravitational potential inside uniform ball
  1329. Angular momentum eigenstates
  1330. Eigenspinors of Sy (Griffiths 4.29)
  1331. Quality factor of driven damped oscillating pendulum
  1332. 3D Rectangular Scattering Potential
  1333. Operator matrix elements, opposite-parity functions
  1334. THz-TDS Fast Fourier Analysis in MATLAB
  1335. Possible error in temperature dependence of Gibbs energy in textbook?
  1336. Irreversibility of a process
  1337. v squared damping after impact
  1338. proving the Lorentz invariance of an integration measure? QFT related?
  1339. Classical Mechanics, Coupled Harmonic motion
  1340. Determine the radial flux density (jr) of chlorine ions
  1341. Thermodynamics Question - Should be pretty easy
  1342. How much time will it take for the first molecules to rise to the top rim of the beak
  1343. Ideal Gas Question in Thermodynamics
  1344. Proof of work done by an ideal gas in a quasi-static adiabatic expansion
  1345. Heat transferred during an infinitesimal quasi static process of an ideal gas
  1346. Ideal gas question with 3 variables (scary)
  1347. Linear Functionals - Continuity and Boundedness
  1348. A eigenstate of addition of angular momenta
  1349. filters for Co K radiation are usually made of iron oxide power
  1350. Kinetic energy of a rotating cube
  1351. total energy per unit area of a EM pulse
  1352. Oscilations of a linear chain of masses and springs
  1353. Wavefunction in an infinite square well
  1354. Quantum Harmonic Oscillator
  1355. Normal frequencies and normal modes of a multi-part system
  1356. Analytical Mechanics question
  1357. Direction of the Maxwell stress tensor
  1358. Imaginary Ideal Gas Cycle Proof
  1359. Energies of a Quantum Harmonic Oscillator
  1360. Variational Method - Gaussian Trial Wavefucntion
  1361. Finding the Normal Modes of a 3 mass molecule connected by springs
  1362. Thermodynamics - Finding Entropy
  1363. Evalutation of loop-integrals with momentum cutoff
  1364. Quantum Mechanics and the Hydrogen Atom
  1365. Magnetic scalar potential and function expansion
  1366. Three coupled pendulums
  1367. Question on Optics, finding images of a pin using a concave mirror
  1368. Curvilinear Coordinates and Vector Calculus
  1369. Wave Functions in a Potential Well with infinite high walls
  1370. Euler Lagrange Equation trough variation
  1371. Representations of subgroups; character tables
  1372. Internal energy of system
  1373. Thermal average
  1374. Number of moles and molecules
  1375. I need a good explanation of phase and magnitude spectra
  1376. Identify the 4-force
  1377. Drude Theory of Metals Poisson Distribution Problem
  1378. Gas law
  1379. need help finding the electric potential
  1380. thermal conductivity of a metalic bar
  1381. Derive E field for a disk
  1382. QM - Spin operator conjugate question
  1383. Electron in a 1-D box. Quantum Numbers
  1384. Lagrangian invariant but Action is gauge invariant
  1385. Quick question on product of Minkowski tensors
  1386. obtain an expression for the expectation value in terms of energy
  1387. Heat Capacity v Specific heat capacity?
  1388. Relationship between angular momentum and spherical harmonics
  1389. find sp hybrid orbital
  1390. Prove the Hamiltonian Operator is Hermitian
  1391. Force of one dipole on another; non-symmetric
  1392. Optics (Two Thin Lenses)
  1393. Density of states of ideal gas and photon gas
  1394. Show that a line element transforms like a scalar
  1395. converting radiometric units (W/m^2) to photometric units (Lux)
  1396. thermodynamics
  1397. Centripal acceleration ?
  1398. Proving Hermiticity for the Product of Two Hermitian Operators...
  1399. 3j symbols problem
  1400. How to convert velocity potential from polar form to Cartesian coordinate form!
  1401. IYPT Question--Coin and Magnet
  1402. Operators, switching basis.
  1403. Assigning spin values to particle in a box.
  1404. Is energy actually the momentum in the direction of time ?
  1405. Lagrangian of a Pendulum on a rotating circle
  1406. Quantum problem
  1407. fascinating question about induced image charges
  1408. Modern Optics: Polarization/Jones Vectors
  1409. Bohr's Orbit
  1410. Use Uncertainty Principle to estimate the size of the H atom
  1411. Ideal Bose gas
  1412. Superconductors
  1413. LC-circuit problem
  1414. Mobility of charged particles in classical gas
  1415. Voltage inbetween two angled plates?
  1416. Flux through rotating ring
  1417. Schroedinger Equation Problem
  1418. The depletion layer in thermal equilibrium
  1419. Alternating linear chain of masses
  1420. Spiral path in polar coordinates problem
  1421. Complex Degree of Coherence (Cittert-Zernike)
  1422. Write down the equations for the real electric and magnetic fields for a...
  1423. Modern Optics: Polarization/Jones Vectors *updated*
  1424. Wave attenuation, complex e
  1425. show that the operators J(+)-hat and J(-)-hat satisfy the following commutation...
  1426. Particle Tunneling/ Barrier Potential
  1427. Spin-spin interaction
  1428. sp hybrid orbitals orthonormality
  1429. force felt by plates in a waveguide
  1430. Gravitation
  1431. How do I prove that A^B is orthogonal to A?
  1432. consider a spherical wave... Show that E obeys maxwell's equations
  1433. Felling a tree (pictures)
  1434. Energy level question
  1435. Complex variable
  1436. classical mechanics - mass/spring attached to moving support
  1437. Graviational potential of 2 cones
  1438. Calculating the magnetic moment of an electron
  1439. Show that for a ferromagnetic material the field in the gap is given by?
  1440. Molar specific heat of an ideal gas
  1441. Kinetic and potential energy in circular and rotational motion
  1442. Gravitational force due to sphere
  1443. Quick question: Ginzberg-Landau theory.
  1444. How to determine a Limits of Integration of Wave Packet
  1445. Unit problem with calculating the mass concentration of a particle
  1446. Properties of the Fourier series & integral (Taylor, Modern Physics, 2 ed, Prob 6.33)
  1447. Minimum energy of an electron trapped in a nucleus
  1448. finding acceleration (newton's secomd & third laws)
  1449. find all the bound currents. What is the net bound current flowing down the wire?
  1450. Thermal Expansion, Change in Temperature
  1451. parallel LCs circuit Lagrangian
  1452. Classical Mechanics - Physics Graduate Level
  1453. Coupled oscillation problem, describing subsequent motion
  1454. Use Hamiltons canonical equations and integrate them to find expressions for q and p
  1455. Integration time for poissonian signal
  1456. Having issues with a seemingly simple problem
  1457. minumum velocity when entering a loop?
  1458. Hydrostatic bearing pressure distribution
  1459. the stationary-state Schroedinger eq. for U>E
  1460. F.E.G. fermi sphere radius problem
  1461. Total Excess Charge using a Coulomb Balance
  1462. Power Series Expanded, Arfken 5.7.16
  1463. Finding centre of mass of an isosceles triangle
  1464. ahhh - please help
  1465. Another doozie
  1466. Atoms with several electrons, potential energy
  1467. Inner Products in R2 other than euclidian
  1468. Special relativity assignment - pole moving in two dimensions
  1469. infinitely long cylinder - locate bound currents and calculate field
  1470. Finding canonical partition function and U when permitted E-levels are given (3d box)
  1471. Show that the radial component of the wave function satisfies the radial equation
  1472. General relativity- weak field limit and proper time
  1473. Calculate Expectation Value of Hamiltonian using Dirac Notation?
  1474. Estimating the damping coefficient of a wave assuming a very small ratio
  1475. Force and Change in Momentum
  1476. please help me with this basic thermpdynamics problem!
  1477. EM: Linear combination of waves
  1478. Lagrangian equation: 2 coupled masses,spring, three dimensions
  1479. Wave function of a two atom system
  1480. Semiconductors - Max. wavelength of light that will excite electrons from VB to CB
  1481. Lasers- the avg power of the resulting laser pulse over a time interval
  1482. Textbook to accompany Susskind's Quantum Entanglement Lectures?
  1483. Tough Concentric Spheres with mixed Dielectrics and a air-gap Problem!
  1484. Kinetic energy of gases in stars
  1485. Tough Concentric Spheres with mixed Dielectrics and a air-gap Problem!
  1486. Interview with someone in Physics Field
  1487. electrodynamics
  1488. Hermitian conjugate
  1489. wavefunction in Dirac notation
  1490. Lagrangian Problem. Two masses on a massless circle
  1491. Steady-State Temperature: Fourier Transform
  1492. Question about the gravitational Potential Energy Law Proof
  1493. Yet another Lagrangian problem. Motion in a cone
  1494. I really need help, I don't know how to go about figuring out this problem
  1495. Thermodynamics Isotherm
  1496. Point charge inside thin insulated cone
  1497. Writing three-fold summation over n_x, n_y, n_z as single summation over n?
  1498. Solid State Physics - p-n junctions
  1499. Holevo Quantity with Channel
  1500. Luminosity to magnitude
  1501. Hermitian conjugate of operators
  1502. Radiation perpendicularly incident to a surface
  1503. Derivation of formula for Intensity of light with optical Michelson interferometer
  1504. Oblers Paradox
  1505. Accelerator rel energy
  1506. Potential of conservative force
  1507. Spherical Boundary Displace Current
  1508. Angular Momentum Operator.
  1509. Thermodynamics question. In Dewar flask liquid nitrogen.
  1510. fick's law
  1511. Excercise about a solar-like system
  1512. Entropy of liquid water and water vapor
  1513. Show that this function satisfies Schrödinger equation for hydogen?
  1514. Obtain the matrix representations of J-hat (subscript y) for the state with j=1 in te
  1515. Gravitation question...
  1516. need help finding energy absorbed by perfect black sphere
  1517. Derivation of momentum expectancy
  1518. Kapteyn's and Shapley's Milky Way - a comparison
  1519. Show that the expectation value of angular momentum <Lx> is zero
  1520. Thermodynamics - ideal gas properties
  1521. Condensed matter physics
  1522. Help needed with rearranging an equation
  1523. Step potential
  1524. Phase and Group Velocity Problem
  1525. Stat Mech : Balls in a box counting problem
  1526. oil film thickness for total reflection 500nm
  1527. Dynamics of Two Falling Rods
  1528. Solid State Heat capacity optical and acoustic
  1529. ISW hamiltonian in energy basis
  1530. Shearing Modulus in Physics
  1531. Mode analysis of rib waveguide
  1532. Decay of tauon into pion and neutrino....
  1533. Semiconductor bandstructure computation
  1534. Mass on the inner surface of a cone langrangian
  1535. Finding the Lagrangian of a bead sliding along a wire
  1536. Application of Dirac delta
  1537. Probability distribution in a quantum well
  1538. Dire need of help on this gas flowing into a vessel problem
  1539. Photoelectric Effect - Energy Level (hydrogen)
  1540. Decay of Upsilon(4S) into two B mesons in laboratory frame.
  1541. Why is the thick disc hard to study?
  1542. A question about a charge density?
  1543. Probability that the electron is found at a distance greater than r
  1544. Shankar 12.4.4 - "the" rotation matrix vs. "a" rotation matrix (tensor operators QM)
  1545. Coordinate transform of partial derivative
  1546. If Hubble's parameter remained constant...
  1547. Explain why it may be difficult to precisely date ocean crust aged...
  1548. reduced sea level due to centrifugal force
  1549. eigenvalue for a Hamiltonian
  1550. Ideas for Interferometry project? - Help Needed
  1551. Thermodynamics - enthalpies
  1552. moments of inertia in flywheel
  1553. Quantum mechanics, harmonic oscillator and wavefunction
  1554. can the total change in entropy be negative value?
  1555. Schrodinger equation normalization to find A -Griffiths
  1556. Heat pumps
  1557. Electric potential inside and outside spherical capacitator using laplacian
  1558. Enthalpy
  1559. QM: The Dilation operator
  1560. Wigner 3j symbol recursion relation
  1561. Ising model and diamagnetism.
  1562. Homework question on special relativity
  1563. Intensity of solar radiation at earth orbit
  1564. Relativity energy-momentum tensor
  1565. convex spherical lanses
  1566. Analytic function, creation and annihilation operators proof
  1567. Changing Dielectric parts
  1568. Another gravitation problem...
  1569. Equations of Motion of a Solar Sail HELP!
  1570. Received power by a radiotelescope
  1571. Reflections in Coaxial Cable
  1572. Solenoid Magnetic Field Problem
  1573. Finding Angular Velocity
  1574. Uniform Rod Attached To Spring Motion Equation Problem
  1575. Decomposing electromagnetic waves
  1576. Supersymmetry Question
  1577. QM - Perturbation to SHO
  1578. Indistinguishable particles inside infinite potential well, QM
  1579. Calculating combined error of plot and Gaussian fit
  1580. problem need to solve it
  1581. Motion of cylinders
  1582. Calculate natural line width of the transition
  1583. Question about frictionless motion with variable acceleration.
  1584. galactic astronomy - ratio of thin/thick disk stars
  1585. Linear degree of freedom - Equipartition theorem
  1586. Decay Rates ,Radioactivity ,Half life easy question
  1587. estimate a lower limit for the number density of the electrons in the plasma...
  1588. Equations of Motion with non-constant acceleration
  1589. Stefan-Boltzmann Law?
  1590. show that the real and imaginary parts of the wavenumber, k, are given by
  1591. Electromagnetics: Laplace's Equation Cartesian
  1592. A boy, a cart, a loop , an icecream-cone
  1593. Potential barrier in QM problem with coefficient of transmission
  1594. Motion of a bead on a rotating linear rod
  1595. Time-dependent Lagrangian problem
  1596. Dirac "bubble potential"
  1597. Rectangular finite potential well problem
  1598. E&M: Find relationship of the constants for a given magnetic field
  1599. Ionization energy and Z effective
  1600. Circular ring in xy-plane with current, find current density
  1601. photon counts, finding background
  1602. Force on a dielectric inside a capacitor and conservation of energy
  1603. Calculating luminosity given accretion power
  1604. Chi-Square in Fraunhofer Approximation Lab Report
  1605. Reissner-Nordström black hole: Spherical symmetry of EM field stregth tensor
  1606. Fairly simple (I assume) acceleration derivation I've blanked on
  1607. electrostatic interaction energy example (jackson)
  1608. Quantum numbers problem
  1609. Electrons and their quantum numbers for the oxygen atom
  1610. Entropy involving current and resistance question
  1611. Spherical Harmonics Normalization
  1612. Gaussian emission lines
  1613. Differential equation after using Euler-Lagrange equations
  1614. Magnetic induction for a tesla flat spiral coil
  1615. Question regarding charges on a hollow sphere
  1616. Magnetic field between 2 parallel wires
  1617. factored moment resistance of a concrete beam
  1618. Eigenfunction of Angular Momentum Squared Operator
  1619. H-Field in a region with magnetic susceptibility from an infinite line charge
  1620. Show that in passing perpendicularly through 100mm of brick only about 16percent...
  1621. Coriolis forces: finding the coriolis acceleration and applying it to a situation
  1622. Find all J values of electron configuration
  1623. Speed of metal melting through ice
  1624. Choosing Rayleigh Length of Input Radiation to an Undulator
  1625. Lagrangian for Coupled Ocillator problem
  1626. Particle Interaction Question
  1627. Laplace equation in rectangular geometry
  1628. Change for position to energy basis
  1629. RLC circuit
  1630. inematics of particles, motion on a friction less rod, springs
  1631. Pauli-Lubanski pseudovector
  1632. Strogatz 9.4.2
  1633. Finding torque on a dipole
  1634. Simple harmonic motion and central forces.
  1635. Speed in Larger and Smaller Tube
  1636. Diffusion coefficient Problem
  1637. Taylor Series/Groups
  1638. (no friction) inclined plane acceleration
  1639. Derivative with respect to partial derivative of contravariant metric tensor density
  1640. The electric field between infinte plates?
  1641. Twin Paradox
  1642. Proving a representation of the Lorentz Algebra from Clifford Algebra/Gamma matrices.
  1643. How far is the relativistic star?
  1644. Characterise Magnetic Field Outside Electromagnet core
  1645. Is a sphere between 2 plates conducts?
  1646. Is this ok?
  1647. beta decay
  1648. Constructing a Feynman loop integral
  1649. solving a metric in vacuum
  1650. Quantum Mechanics- statistical physics fermi-dirac distribution.
  1651. Determine an expression for the period of motion.
  1652. Expectation value of: energy, angular momentum..
  1653. VERY HARD question in atomic physics .
  1654. feynman rules in momentum space?
  1655. Swinging Atwood Machine, Hamilton-Jacobi Eq.
  1656. Hydrogen's energy levels don't depend on l or m because...
  1657. Simple Harmonic Motion
  1658. Deriving equation of motion in General Relativity from Principle of Least Action.
  1659. Rotational properties of the harmonic oscillator
  1660. Sum of torques
  1661. Schrodinger Quantization VS Bohr Quantization...
  1662. spin
  1663. jj coupling scheme and electronic configuration
  1664. Thermal/Energy Radiation
  1665. Particle in harmonic oscillator potential
  1666. The coriolis effect
  1667. (n,m) to (n+1,m) derivatives in Wald
  1668. Water bottle pressure problem with hole at bottom
  1669. period of arbitrary amplitude pendulum using average speed
  1670. Stellar object ejects a jet Special Relativity
  1671. The hermitian conjugate/adjoint -Quantum Physics
  1672. Simplifying gamma matrices
  1673. Math. physics
  1674. Ionization energy of lithium atom
  1675. thermodynamics speed of a weight bar through ice
  1676. Fourier Series of Periodic Function
  1677. E&M Fiber Amplifiers
  1678. angular momentum quantum numbers and spectroscopic notation
  1679. Direct products to coupled states
  1680. Selection rule
  1681. Commutation relations of angular momentum with position, momentum.
  1682. Question: # of particles within an energy range below Fermi Energy.
  1683. determine whether or not is a Hermitian operator
  1684. question from Ticcati's QFT textbook.
  1685. Energy levels in Hydrogen - derivation
  1686. Lab: Moment of Inertia
  1687. Velocity and Acceleration
  1688. Four-Momentum of Photon / Doppler shift in General Relativity
  1689. Showing that gauge fields become massless and massive
  1690. Lagrangian of a Particle in Spherical Coordinates (Is this correct?)
  1691. Variational method approximation for half-space linear potential
  1692. Complex scalar field - Feynman integral
  1693. Fermi's Golden Rule - Looking for an Example.
  1694. Cardboard Contact
  1695. Wavefunction of a square wave
  1696. Deriving the square angular momentum in spherical coordinates
  1697. Motion in a Rotating Reference Frame
  1698. Twin Paradox Argument Check
  1699. show that the satellite's orbital period P at large distances (r>>a) is given by...
  1700. General Relativity
  1701. Interaction force between magnetic dipoles
  1702. n=3 polytropic index questions
  1703. specific heat capacity varies with temperature.
  1704. Coupled Harmonic oscillator Setup
  1705. thick walled cylinder: find required thickness
  1706. Kinetic Energy of the Products of Nuclear Reaction?
  1707. Integration involving spherical harmonics
  1708. determine the ground state energy
  1709. Plasma: Wave and Phase difference
  1710. Thermodynamics
  1711. QM
  1712. Write down the ground state eigenfunction (and spin) of Helium.
  1713. A system consists of two indistinguishable spin-1 fermions, both confined...
  1714. complementary observables
  1715. Wheatstone bridge with inductances
  1716. Variation of Resistance with temperature Lab experiment
  1717. Why does Raman shift increase as temperature decreases?
  1718. Just a question about calculating Killing vectors
  1719. Liquid flow in pipeline branching
  1720. Thermal radiation
  1721. Work done by driver plate
  1722. Finding error in Calculation
  1723. String Theory Query
  1724. Calculate Angular Frequency,
  1725. Electromagnetism Mechanics
  1726. Lagrangian problem invovling velocity
  1727. eigenvalues of commuting observables (angular momentum)
  1728. Electric fields
  1729. Electric fields
  1730. How to derive characteristic wavelength of x-ray from energy equation?
  1731. Introduction to electrodynamics - help with a dipole problem
  1732. thermodynamic derivation of heat capacity
  1733. Estimate the Debye frequency?
  1734. Angular Velocity Problem
  1735. Mechanical vibrations homeworks
  1736. Pendulum on a spring accelerating upward
  1737. Variational Calculus - Minimal Arc lenght for given surface
  1738. Quantum optics - dirac notation
  1739. Universe's Temp
  1740. vector calculus question relating to electrical dipoles (more of a math question)
  1741. formula help
  1742. Index of Refraction and Thickness
  1743. why dont integrate all electric fields in a sphere?
  1744. Pauli exclusion principle and parallel spin.
  1745. Comparing Orbitals of H and He+
  1746. Finding the time using the acceleration (forces)
  1747. Frictional Forces Problem
  1748. Expectation Value of a component of Orbital Angular Momentum
  1749. Finding work done in spherical coordinates
  1750. Index of refraction of different wavelengths
  1751. Finding fundamentals of a wave from a product of two sinusoids
  1752. Calculating the direction of magnetic field at a point above a loop of current
  1753. Metal ring in magnetic field
  1754. representations of lorentz group and transformations IN DETAIL!
  1755. Continuum Mechanics Rotation Matrix Problem
  1756. Wave Interference in complex notaion
  1757. Mean Current of Photomultiplier at anode
  1758. Work done along a semicircle
  1759. Calculating Wavelength, given certain variables
  1760. [Electromagnetic Fields] Electrical conductivity of a material
  1761. Initial data/Cauchy problem
  1762. QM - Position/Momentum representation problem
  1763. Ground State Energy of Helium Atom - Integration problem
  1764. QM: Particle in a box
  1765. Dispersion relationship for internal gravity wave
  1766. Strain on Cantilever beam
  1767. The electricfield inside a board
  1768. Energy of particles in the nucleus
  1769. solid state physics: phonon density of state
  1770. Time Independant Pertubation Theory - QM
  1771. How to increase the convergence speed?
  1772. What is the primary evidence that the Earth's outer cores is fluuid in nature?
  1773. Lagrange Function for a certain problem
  1774. Given a potential, sketch the eigenfunction corresponding to different energy levels.
  1775. Computing Heisenberg Uncertainty Value
  1776. Complex Number
  1777. Circular Polization type in an EM wave.
  1778. Interference in Air Wedges exercise
  1779. Expectation Value of Momentum
  1780. quantum mechanics quick question
  1781. Question about wave propagation
  1782. E&M Solenoid and Capacitor problem
  1783. Find max height of inclined plane. Please help
  1784. Finding isometries (Relativity)
  1785. Hertzian dipole consistent with Biot Savart law at small distances
  1786. About Coefficients of Potentials
  1787. Proving simultaneous eigenvectors for commuting operators
  1788. Self-inductance of a rectangular loop
  1789. Approximation of potential energy
  1790. Find the power radiated using the Poyting vector
  1791. Write down a list of nine features of the radiation fields that can be deduced...
  1792. Angular Momentum Eigenfunctions for Bead on a Wire
  1793. Dipole moment of a spherical shell
  1794. Doublie slit w/ electron problem
  1795. curvature of a wavefunction and its kinetic energy
  1796. Electron Oscillations in a Plasma - trouble with electric fields
  1797. Calculate input power from the data
  1798. Angular Momentum of plates
  1799. Satellite
  1800. Problem solving Heat Diffusion Equation
  1801. Triple Scalar Product and Torque
  1802. Electrostatic potential on the surface of a conductor
  1803. Thermodynamics of a rubber band
  1804. Amplitude and inter atomic separation
  1805. Scalar Field Theory-Vacuum Expectation Value
  1806. Time-Dependent Frequency Harmonic Oscillator
  1807. "Optimizing" a Wave Function
  1808. Using the transform of the electromagnetic tensor F between frames, verify that...
  1809. N type material ,solid state physics
  1810. Bulk melting point
  1811. Falling square loop
  1812. Threshold temperature { Failure of delong petit law}
  1813. Spinors and Lorentzgroups: representation of the complete Lorentzgroup?
  1814. density of states, fermi energy
  1815. Finding Bloch functions
  1816. Why the Electric field outside 3 infinite boards is 0?
  1817. Bound Orbit (numerical solution)
  1818. Solid property of inert gas- LJ potential
  1819. Rolling motion of sphere (weird initial condition?)
  1820. The total force on a charge plate
  1821. D'alembert method
  1822. D'alembert method
  1823. Larmor Precession and Force on a Magnetic Dipole
  1824. Free particle wavefunction
  1825. number of atoms in FCC gold cube with only the radius given!!
  1826. Stokes Parameters - Fraction of Linear/Circular Polarization
  1827. Work out B0', E0', k' and omega', and show that the phase (kr-omega t) is...
  1828. Trying to solve the Poschl-Teller potential
  1829. Commutator Algebra proof
  1830. Using the Goldstone theorem
  1831. Using... verify Faraday's law...
  1832. A problem regarding to Lagrangian in Classical Mechanics
  1833. Harmonic Oscillator Potential Approximation
  1834. Carbon Dating
  1835. Velocity required to hit a jump
  1836. difference in atomic energies 2p 1s for hygrogen and duterium
  1837. Expectation Values of Radii in the Hydrogen Atom
  1838. goldstone theorem help!!
  1839. Biot-Savart law My proof includes a negative sign
  1840. How does stationary sound waves in open tubes happen?
  1841. Optics Question, unpolarized light
  1842. QM- Expectation value+Momentum.
  1843. Calculating Dielectric Strength between plates
  1844. Normalization of a wavefunction
  1845. Diffraction Grating Angles
  1846. Calculate Bulk modulus
  1847. Angular Momentum for Particle on a Hoop
  1848. Stellar physics (number crunching)
  1849. Find states for the angular momentum j = 2 from two independent subsystems with j = 1
  1850. refractive index question - light beam around the world
  1851. Number density of small clouds
  1852. Spin dynamics and Larmor precession
  1853. Reflected and Transmitted power on string
  1854. Variation of scalar kinetic lagrangian
  1855. Quick Dirac Notation question
  1856. Finding the Lattent heat of Hellium - a lab experiment.
  1857. electromagnetism
  1858. Hydrogen Transitions/TD Pert Theory
  1859. Why 1/(r^3) exp. value for H-atom diverges for 1s state? please respond before Jan 6
  1860. Frictionless half-pipe and rotational motion question
  1861. Lorentz Transformations For Particle In Uniform Electromagnetic Field
  1862. Conjugation of creation and annihilation operators - Fock's
  1863. four momentum of fused particles
  1864. Lorentz generators
  1865. Nuclear power
  1866. Bowl Sliding Down Hemispherical Bowl
  1867. Dirac gamma matrices
  1868. The correct movement of charge in PN junction
  1869. Dimensional Analysis? Getting funny answers here!
  1870. Can someone please cast their eyes over these questions on thermodynamics
  1871. Special Relativity
  1872. Spin state function of a beam of particles in terms of eigenfunctions.
  1873. Radial part of wave function in respect to spherical harmonic
  1874. two closely related questions about current density
  1875. Spherical Capacitor half-filled with a dielectric
  1876. Forces of inverted pendulum
  1877. Shape factor planning and design
  1878. Shearing MODULUS In PHYSICS
  1879. relativity
  1880. expectatoon value particle in superposition of momentum states
  1881. Riemann tensor, Ricci tensor of a 3 sphere
  1882. Finding eigenfrequencies of a coupled pendulum
  1883. Dielectric sphere in constant E-field
  1884. Geodesics
  1885. Easy way of calculating Riemann tensor?
  1886. Prove the chain rule for Jacobi determinants
  1887. Cross Section Calculation
  1888. heat dissipated by a cylinder in a magnetic field
  1889. What is the condition for the radiation term in the expression for the field B to...
  1890. Quantum Operators - Eigenvalues & states
  1891. Virtual works
  1892. Double barrier potential in electrical field with matlab
  1893. Which is an example of the electromagnetic force?
  1894. Green's function for Helmholtz Equation
  1895. Asking for hint to MTW's problem
  1896. Quantum Optics help - Single photons
  1897. How i find eigen function and eigen value from equation or either
  1898. Converting Volt to Lux using a solarimeter
  1899. quick question about Ampere's Law and Lorentz force law
  1900. colliding stars
  1901. Lambert(Guidance) Equation Derive (Velocity) from equations
  1902. Time reversibility of velocity verlet easy
  1903. Quick Uncertainty Problem - atom energy levels
  1904. Quantum mechanics- Expectation value
  1905. Bernoulli Problem
  1906. electron in a potential well of specified thickness
  1907. Bethe Bloch: Calculating ionisation energy losses for protons, alpha and muons
  1908. equations of state proof
  1909. Probing the atom with light high velocity particles
  1910. Rocket Motion in a drag force
  1911. spherically symmetric potential
  1912. Angular momentum operator eigenvalues in HO potential.
  1913. Angular Momentum Problem in Dirac Notation
  1914. Lagrangian equation from this free body diagram
  1915. Atomic physics
  1916. Conical Pendulum proof of constant frequency
  1917. Isotropy/Homogeneity of Spacetime and Inertial Frame Equivalence
  1918. Hamiltonian question
  1919. How to get number of photons?
  1920. Density of States Derivation -urgent
  1921. Problem with Dimensional Regularization
  1922. Energy of an electron in a uranium atom
  1923. Using Boltzmann distribution law to find Temperature (1% of photons> 1eV)
  1924. Stupid question on Dirac alpha and beta matrices
  1925. Neutron diffraction
  1926. Mechanics question on equation of continuity
  1927. Relative error definition of entropy
  1928. Hamiltonian mechanics electromagnetic field
  1929. Quick bra-ket question
  1930. Quantum Mechanics: Uncertainty and Commutation relation
  1931. What is the speed when a ball hits the ground
  1932. angle between S, and z-axis
  1933. Marble like atoms in a jar
  1934. Lagrangian interpolation of sin(x) in Python
  1935. Eigenvalues and eigenvectors of J.n
  1936. Electromagnetism vectors question. Calculating electric flux of displacement vector
  1937. elastic scattering
  1938. NaCl binding energy
  1939. RLC AC Circuit Question
  1940. Particle constrained by 4 springs SHM
  1941. Finding Q values of decays and finding distance where Coulomb Barrier = Q value
  1942. Time to gravitationally collapse ( Derivation)
  1943. Hydrogen like atom, perturbation theory
  1944. Proof about hermitian operators
  1945. spontaneous disintegration in classical mechanics
  1946. index notation - I never know when to introduce a new symbol?
  1947. Classical Mechanics: Finding force, equilibrium points, turning points....
  1948. ultraviolet catastrophe and quantization
  1949. Circular Motion Edexcel A level Doubt !!
  1950. RC circuit switching at t=0 from A to B
  1951. minimization in matlab
  1952. Thermal Physics PV problem
  1953. Thermonuclear runaway
  1954. Electostatic energy
  1955. "Linear" Potential and Thermal Equilibrium
  1956. RLC low-pass circuit
  1957. Solving a tricky integral to normalize a wave function
  1958. Laplace equation derivation, where does the potential go
  1959. Thermal Physics
  1960. Minimisation in Hilbert space
  1961. Astrophysics: finding the azimuth the moment sun rises
  1962. Spin-dependent Hamiltonian of two particles
  1963. Evaluating a sinc-integral
  1964. CCD: difference between conductive band and energy of ionization
  1965. Classical mechanics, motion of a particle over a helix
  1966. [QM] spin and orbital angular momentum: most efficient method?
  1967. square well wave function
  1968. Charged Sphere with off-center cavity Electric field
  1969. Problem special relativity: Photon in a centrifuge
  1970. Specific charge of the electron
  1971. Mott's scattering cross-section formula
  1972. thickness of material to absorb electron beam
  1973. Finding net force on a charge (direction help)
  1974. Four-vectors of a moving particle
  1975. relation between commutator, unitary matrix, and hermitian exponential operator
  1976. Quantum Mechanics - Superposition of Wavefunctions?
  1977. Distance of Closest Approach
  1978. Stat Mech- How does heat vary with temperature over an arbitrary pathway
  1979. Modern Wave Optics Question
  1980. Electrical physic
  1981. Solving x=ytan(y)
  1982. Second Law and Reversibility
  1983. The Math of Quantum Mechanics
  1984. Expectation value of x^2 (Q.M.)
  1985. Quantum Mechanics Operator/eigenstates problem
  1986. Max temperature for 3.2 V incandescent light bulb
  1987. Find angle between planes (011) and (001)
  1988. Lagrangian for two identical rods connected by frictionless joint.
  1989. Obtaining the Half-life equation experimentally
  1990. Free Spectral Range in wavelength
  1991. Semi-empirical mass formula and fission term
  1992. Continuous Surface Charge Source - Integral Confusion
  1993. Fourier Coefficients of an Even Function
  1994. Magnetic field of a cylinder with magnetization M=ks^2
  1995. Concentration of Radon in atoms per cubic meter
  1996. Expression for Bohr Radius using Quantum Mechanics; In Commutator Relations Chapter
  1997. Equation of motion of coupled springs
  1998. A particle decays into two daughter particles.Find velocity pf daughter particles?
  1999. Central force field-condition for closed orbits.
  2000. Stat. Phys. : Renormalization Group and scaling hypothesis
  2001. Fourier sine and cosine tranformation, difficult problem, (for me)
  2002. Evaluate the energies of muonic K X rays in Fe
  2003. Silly doubt about thermodynamics: molar representation
  2004. Problem with numerator in a series expansion
  2005. How do you find the phase of reflection coefficient and magnitude of a plane wave?
  2006. Unitary operator U... ?
  2007. Silly doubt: ideal gas eq. of state entropic representation
  2008. Circular Motion Due to Coriolis Force
  2009. Polar Coordinates Conversion
  2010. Quantum Mechanics 3D harmonic oscillator
  2011. amperes law: magnetic field inside an infinite slab containing a volume current.
  2012. Seperation constant giving a harmonic dependence. (Seperation of variables)
  2013. Nuclear shell model spin and parity?
  2014. Asking for hints to Goldstein chapter 7, problem 9
  2015. Specific Heat of Nitrogen Molecule
  2016. Derive an expression for the rate of interactions in a fixed target experiment...
  2017. Finding the wave function squared given an integral wave function
  2018. Simple quantum mechanics operator question
  2019. Ket Notation -- Effects of the Projection Operator
  2020. Magnetic Field Equation in Spherical Coordinates to Cartesian Coordinates
  2021. Quantum Mechanics, Glauber Coherent States of QHO, and superpositions of states
  2022. how to integrate partial differential eqn...
  2023. Constructing wave function for Beryllium (Z=4)
  2024. Levi Civita 4 tensor as pseudotensor
  2025. Electric Field of a Spherical Shell Cut in Half
  2026. Need help with a sum series (Frobenius series)
  2027. Mean Value property (harmonic functions) with a source??
  2028. Conceptual Question on General Relativity
  2029. Electric field of a uniform finite cylinder
  2030. Sycamore Seed Mechanics
  2031. Hamiltonian commutator
  2032. magnetic field and spin
  2033. What other configuration could the molecule adopt that would lower its LJ energy...
  2034. Density of State for a two atom basis
  2035. Momentum for a particle
  2036. Mass of the system vs. rest masses
  2037. Euler angles. Quantum Mechanics Question
  2038. Evolution of wave function
  2039. Differential
  2040. Quantum Mechanics: Evaluate the following using Ket-Bra notation
  2041. Wavelength Uncertainty
  2042. Thermodynamics filling steam tables for water
  2043. Potential of a grounded spherical shell inside of a metal one
  2044. thermodynamical work
  2045. Plane Wave, Power Passing Through Copper Sheet
  2046. Derivation of Newton Gravitation problem application
  2047. Charged Particle Oscillating in External Constant Electric Field
  2048. Heavyside convolution
  2049. Capacitance Problem
  2050. Examining a differential equation of motion
  2051. Calculate the molar entropy
  2052. Transmural Pressure in Tube System Splitting and Converging
  2053. Expressions for Heat Capacity
  2054. Uncertainty of coherent states of QHO
  2055. the emf of a string in a circle - magnetic fields
  2056. Arguing work is an inexact differential
  2057. Hamiltonian of the Quantum Harmonic Oscillator-Eigenfunction & Eigenvalue
  2058. General function for E Field for point charge
  2059. Working out the cp cv difference for van der waals equation
  2060. Expectation values of QHO in |n> basis
  2061. is sine*sine a form of a standing wave?
  2062. Generalized functions (distributions) problem - Mathematical physics
  2063. Thermodynamics: Lossy Capacitor
  2064. understanding curvature tensor equation
  2065. multipole expansion
  2066. Intro. to Modern Optics Question
  2067. to investigate the attenuation with thickness of material of a beam of x-ray photons
  2068. Finding the momentum-space wave function for the infinite square well
  2069. Momentum operator eigenfunction
  2070. Bragg Equation Question
  2071. Steady State Heat Equation in a One-Dimensional Rod
  2072. Uncertainty Principle
  2073. Why does bremsstrahlung happen
  2074. wavefunction of 2 electron system
  2075. One-Dimensional Gaussian Wave Packet
  2076. Electromagnetism : work done in assembling free charges to a distribution of charges
  2077. Integrals of products of Hermite polynomials
  2078. Clausius Claperon Equation
  2079. Computing for Electric Field given cylindrical coordinates of v.
  2080. Angular momentum of pair of particles
  2081. Need help in how to find the resistance of a liquid
  2082. Monochromator and changing grating question.
  2083. Rate of Noise in Three Sensors
  2084. Operators satisfying abstract commutation relation; then finding an eigenvalue.
  2085. Extensive Wave Function Question
  2086. Tensor Excercise.
  2087. Statistical Analysis - Maximum Likelihood Fit
  2088. Temperature problem in fluids mechanics
  2089. Eigenvalue equation, prove that a is real.
  2090. Uncertainty principle, commutator.
  2091. solving for Euler angles and 3-D coordinate Rotations.
  2092. Particle in a triangular potential well
  2093. Dimensionality of total angular momentum space
  2094. Calculation of Clebsch-Gordan coefficients
  2095. Heat equation, Fourier cosine transform
  2096. Particle in a central potential and a magnetic field: nearly circular orbits
  2097. I do not understand this solution to this Quantum Mechanics Problem
  2098. Quantum Mechanics Scattering problem, 2 particles elastic collision
  2099. Verbal discussion of textbooks, problems and more - skype
  2100. Electromagnetism: Possible Trick Question?
  2101. Hamiltonian Cylinder!
  2102. Magnetic quadrupole?
  2103. Optics Instrumental with thins lens
  2104. The Particle in a Cube
  2105. Striking the End of a Triangle in Space
  2106. Schottky's defect
  2107. Determine the threshold energy for electrons to produce Cerenkov radiation in glass
  2108. Variational Principle Integration
  2109. Definition of Capacitance
  2110. Equation of motion via Euler-Lagrange equation
  2111. Nuclear Physics - Find the s wave phase shift
  2112. Lagrangian, weird pendulum
  2113. Adjoint Operator
  2114. Natural frequencies and mode shapes
  2115. Quantum Mechanics Superposition Question
  2116. Find ecliptic coordinates of a point on celestial sphere antipodal to galactic center
  2117. Estimate the mean free path of phonons in Germanium at 300K using the following data
  2118. Rate of air flow between containers of different pressures
  2119. Fission reactor radioactivity
  2120. Motion of a mass m confined to the x-axis (Hamiltonian)
  2121. Spin and energy in nuclear processes
  2122. Rigid body -badly worded problem :( -
  2123. Classical Mechanics: Lagrangian for pendulum with oscillating support
  2124. Q from MTW
  2125. Double infinite square well, energies
  2126. By equating the high-temperature limit of the above expression to the classical...
  2127. How to analyse equations of motion advice
  2128. Timelike, Spacelike and Null
  2129. Show that when the temperature is such that T<< Debye temperature, the specific...
  2130. Discuss how the resultant phonon should be designated in the First Brillouin Zone
  2131. Integrate delte Diract Function
  2132. Electromagnetic dual tensor. General Relativity
  2133. Quantum Spin up spin down with magnetic field
  2134. Solving Enthaply by other ways?
  2135. Boundary conditions of solution to the wave equation
  2136. PDE, inhomogeneous diffusion equation
  2137. Lorentz Velocity Transformation
  2138. Harmonic Oscillator
  2139. Lagrangian of a system
  2140. Orbit with time-varying mass
  2141. Thermodynamics/Statistical Mechanics Probability Questions
  2142. Pauli-Lubanski pseudovector commutation relations
  2143. Proving the exactness of the Runge-Kutta algorithm to the second order in step-size
  2144. Small oscillations+normal modes of a "horrible spring system"
  2145. Charged particle in EM field
  2146. General Relativity - Schwarzschild Metric
  2147. Perturbation theory
  2148. Physical equivalence of Lagrangian under addition of dF/dt
  2149. ionization of hydrogen in the sun
  2150. How to Apply Lagrange Equation, Really Confused
  2151. Mechanics Goldstein, chpt 1 exercise 11, Lagrangian of rolling disk
  2152. Hamilton-Jacobi problem
  2153. Finding Hamiltonian as Legendre transform on SO(3)
  2154. Projectile subject to air resistance
  2155. The change of mass with respect to time of a rain drop falling though a cloud
  2156. taylor series of sinz-sinhz
  2157. Why metals spark in microwave ovens?
  2158. PDE, 2D Laplace Equation, Sep. of Variables, Finding Potential
  2159. Tough exponential integral (QM, Variational Principle)
  2160. Fermi's golden rule practice
  2161. Fermi Energy of Liquid He3
  2162. Lagrangian problem (rigid body+particle)
  2163. Heisenberg Uncertainty principle in 3D
  2164. Geodesic problem
  2165. Small oscillations+normal modes of a system
  2166. Green's functions, F/Laplace Transforms, and Boundary conditions
  2167. A Question on Semantics Regarding Group Theory
  2168. Lennard-Jones Potential/Force between two atoms
  2169. Einstein Coefficients and Line Spectra
  2170. Two Partial Differential Equations
  2171. mutual inductance in a spark plug
  2172. Missing something pretty simple in counting energy levels?
  2173. Driven Damped Oscillator problem
  2174. Time integrals of free particle propagator
  2175. Derivation of Heat Conduction in Spherical Co-Ordinates
  2176. Finding Angular & Linear Momentum of EM Fields
  2177. Bremstrahlung cross-section for nucleus and electrons
  2178. Surface charge density on conducting cone with point charge inside
  2179. mass of fuel burned in car over distance with changing mass
  2180. Proof on Magnetic Dipole in an homogeneous magnetic field
  2181. Characteristic Function of Joint Gaussian Distribution
  2182. Lagrangian hamiltonian mech COC Goldstein 8.27
  2183. Time dependent wave function normalization
  2184. Help on method of iteration
  2185. Finding Potassium's ionisation potential using Sharp, Principal etc. Series
  2186. Magnetic field inside a Hollow asymmetrical cylinder
  2187. Lagrangian Mechanics for two springs (revisited)
  2188. LaPlace equation in 1D
  2189. Thermal Neutron Capture from 55Mn to 56Mn
  2190. QM: Force
  2191. motion equations of a disc rotating freely around its center (3d)
  2192. Weight of N 3-Dimensional Quantum Harmonic Oscillators
  2193. The Dirac equation and its conjugate...
  2194. Redshift Parameter
  2195. Question on expectation value.
  2196. Determining effective nuclear charge
  2197. Line Spectra series for Ionized Helium
  2198. Basic Thermodynamics: Gas expansion against a vacuum
  2199. QM: Commutator
  2200. Beads on a hoop that cause elevation
  2201. Finding degeneracy of N Quantum Harmonic Oscillator
  2202. Particle in a 3D box (Quantum)
  2203. Examining aluminium foils stopping potensial on <0.98c fast electrons
  2204. Free electron conservation of probability
  2205. Time Evolution of Polarized Cavity
  2206. Mechanics problem
  2207. Proving the speed of light is the same in all reference frames using Maxwell's Equati
  2208. Fourier transform in 3d
  2209. Rigid Rotor question requiring quantum mechanics.
  2210. How much energy is required to produce the electron-positron pair ...
  2211. Fluid Dynamics: Bernoulli's?
  2212. MSc particle physics revision question - angle of muon from pion decay
  2213. quantum entanglement and measurement operator
  2214. Free particle has a Gaussian wave packet wave function.
  2215. poincare sphere and waveplates.
  2216. Quantum Mechanics - quick question about probability
  2217. Statistical Mechanics
  2218. Fiber optic current sensors
  2219. Hilbert Space and Tensor Product Questions.
  2220. Wavelength Change and Refractive index in a Conductor
  2221. Potential in a quadrupole
  2222. Characteristic vibration frequencies of a system
  2223. Schrodinger Equation
  2224. Spectrum of 6V 15W Tungsten Microscope Lamp
  2225. Lagrange multipliers in a simple pendulum
  2226. Finding the potential of a 1d finite square potential well
  2227. Poynting Vector - Finding stored energy per unit length of a solenoid
  2228. picking an element
  2229. Hilbert Space and Tensor Products
  2230. General relativity. Bianchi identities
  2231. Magnetic Pendulum Mathematica Simulation
  2232. Derivation of ln Z for Bose-Einstein case
  2233. Justifying steps in the Navier-Stokes calculation for simple circular pipe flow.
  2234. Trace of product the of tensors
  2235. What are Undoublings? Chaos/Feigenbaum
  2236. Using the Baker-Campbell-Hausdorff Identity
  2237. Spin commutators, [Sz^n, Sy]
  2238. Canonical transformations, generating function
  2239. Quantum Mechanics Square Well Potential Problem
  2240. Show that a transformation is canonical
  2241. Angular size of comoving horizon at last scattering
  2242. Surface currents
  2243. Wavefront's power losses due to perpendicular collision with dielectric material.
  2244. Basic Operator question
  2245. Chiral currents of a Dirac plane wave
  2246. 3 Photons going through 3 Polarizers
  2247. Calculate thickness of barrier for tunneling effect
  2248. equipotential lines and electric field lines
  2249. Statistical mechanics: multiplicity
  2250. Quick clarification on how this change of variables for QHO came about...
  2251. Spins in an external magnetic field
  2252. Peskin - Final Project Gluon Jets
  2253. Electrodynamics and Relativity. Please Help!!!!
  2254. Stern Gerlach expectation value
  2255. Canonical Transform proof
  2256. Magnetic Susceptibility experiment using Faraday method
  2257. Yang-Mills Equations
  2258. FRW Equation
  2259. Fourier Series of modulus[t] - example of this?
  2260. Finding a generating function for a canonical transformation
  2261. Small oscillations, strange springs
  2262. Calculation of the structure factor of graphite (Solid State Physics/Crystallography)
  2263. Feynman ammonia molecule states
  2264. Special relativity issue - doppler
  2265. Help! Covariant Derivative of Ricci Tensor the hard way.
  2266. Time average of SHO kinetic energy = (1/2)E
  2267. Redshift (Ryden 5.2), confusing step.
  2268. Hamiltonian, generating function, canonical transformation
  2269. Rigid body (mass sliding over a cone)
  2270. Showing a system is invariant
  2271. n-point function calculation from a generating function
  2272. Finding the 4-velocity of a world line
  2273. Shankar 14.4.1 using Ehrenfest's Theorem
  2274. Rydberg Series for Hg I
  2275. Harmonic Oscillator
  2276. Finding components of 2s2p configuration using LS coupling
  2277. Units problem with my Hamilton's equations
  2278. Is whole Carbon 13 atom (not just the nucleus) a fermion or boson?
  2279. Quick Lagrangian of a pendulum question
  2280. Calculating the Bose-Einstein Condensation Temperature
  2281. General Relativity: Particle velocity travelling on Schwarzchild orbit
  2282. Uncertainty relation between number of photons in an EM field and its phase
  2283. Feynman Diagrams
  2284. finding potential at the center of metal sphere
  2285. Central potential problem
  2286. Thermal Behavior of Air
  2287. Relativistic Hydrogen Ground State
  2288. entropy change for non-thermally-isolated system
  2289. Trouble with conservation of angular momentum in a system
  2290. Transmission Coefficient of a double delta function potential
  2291. Kitchen Oven (Blackbody radiation)
  2292. Expectation value of P for an infinite-square well
  2293. Mossbauer Effect in Iron-57
  2294. Showing that (x+iy)/r is an eigenfunction of the angular momentum operator
  2295. Rotating cylinder on x'-axis in S' frame. Find twist per unit length in S frame
  2296. Electromagnetic decay inside materials.
  2297. Magnetic moment of proton and electron of H-atom in ground state L=0
  2298. Perturbed harmonic oscillator
  2299. Materials Science - Derivation of Kapustinskii equation
  2300. Self consistent equation by FT
  2301. [Quantum Mechanics] Quantum Fisher Information for a Pure State
  2302. Particle annihilation and creation
  2303. Integral of even/odd functions
  2304. selection rules electrostatic field
  2305. Electron-Hole Concentration vs. Carrier Density
  2306. what happens to normalization of wavefunction when you add a perturb correction?
  2307. Time-averages of superposition of waves.
  2308. Find motion of a particle subject to a given potential
  2309. Free particle problem. Traveling time
  2310. Cosmological models - Evolution of Inhomogenity
  2311. Orbital Velocity due to a Dark Matter Halo
  2312. Phase of a complex EM-wave
  2313. [Quantum mechanics] Step barrier |R|^2 and |T|^2
  2314. How to find the center of a paraboloidal wave
  2315. energy, time and length corresponding to mass of electron.
  2316. Exponential of an operator into bra-ket notation
  2317. Calculating mass of particle given total energy and momentum
  2318. Calculating the moment of inertia for this configuration
  2319. SU(2) Pure YM on R^4
  2320. Why is the electric field inside a hollow conductor zero?
  2321. Strong or weak force??
  2322. Maxwell's Eqns- HELP - Spherical EM wave
  2323. Derive expressions for the transvers modulus and the longitudinal modulus of...
  2324. Error Analysis of measured value
  2325. Hydraulic Equation under Choking Conditions
  2326. Uncertainty Principle application to macroscopic particles
  2327. Lagrangian Mechanics + Constraint: Trajectory of a rolling object on a curved surface
  2328. What is the significance of a complex commutator?
  2329. How do you solve degeneracy for 2-D particle in a box?
  2330. Free particle --> bound particle
  2331. Question about scintilation detector
  2332. Electronic partition function for molecule with degeneracies
  2333. Calculate the ratio of the Fermi wavevector to the radius of the largest sphere...
  2334. Two dimensional asymmetric harmonic oscillator
  2335. Mass of galaxy from luminosity
  2336. Kinetic energy of two protons to create a meson?
  2337. Goldstein Mechanics chpt 1, Exercise 15
  2338. Uncertainty Principle of a nonrelatavistic particle
  2339. Express Eigenvectors in terms of Eigenkets.
  2340. Expectation Value Question with Unknown Operator
  2341. tight binding - evaluate integral
  2342. Delta potential: Transmission coefficient
  2343. Moment of inertia tensor of hollow cone
  2344. Help With True/False Qns on a Force Moment System
  2345. Burst test calculation help
  2346. Moment of inertia tensor
  2347. CO2 Gas cooler in Air conditioning
  2348. Expansion of Hydrogen GS (Relativistic)
  2349. Momentum of photons in CM frame.
  2350. Modern physics, quantum numbers, subshells
  2351. Maximizing Gibbs Entropy in Canonical Ensemble
  2352. Damped oscillator energy dissipated per cycle.
  2353. Electromagnetic fields of a rotating solid sphere: total charge inside
  2354. Expectation of position in a 2D system
  2355. Charge Density Function to Solve Poisson Eq.
  2356. Christoffel symbol from Variational Principle
  2357. Relativistic Bound States
  2358. The origin of Caesium-133
  2359. Preferred Basis Problem
  2360. N-Body Sim with some Custom Parameters
  2361. Density of defects help!
  2362. Thermodynamics, Callen's book problem
  2363. Potential well solutions
  2364. Forced oscillation
  2365. Convert tensor from cartesian to cylindrical coordinate
  2366. Michelson Interferometer..
  2367. Spin and parity predictions from kaon decay
  2368. Thermodynamics, ideal gas relation
  2369. Thermodynamics, Callen's problem, it doesn't make sense to me
  2370. number of atoms trapped in an atom trap
  2371. two springs from the ceiling attached to one mass, least energy principle
  2372. Polarization
  2373. Number Operator in Matrix Form
  2374. Hund's rule
  2375. Astrophysics: pressure in a supernova as in explodes
  2376. Quantum Physics. Gasiorowicz ch1 problem num15
  2377. Energy splitting of the magnetic sub levels
  2378. Hilbert Space Postulate
  2379. Eigenvalues of 4x4 Hermitian Matrix (Observable)
  2380. EMF induced in a moving conductor
  2381. Magnetic field of a helmoltz coil depending of the Radius of electron beam
  2382. Dissipation Rate of a Propagating EM Wave
  2383. Orbital velocity and rotational velocity
  2384. Time dependent perturbation for harmonic oscillator
  2385. How to define measurement in quantum mechanics
  2386. Density of states of graphene per unit area
  2387. solving TISE in 3D
  2388. How much energy is require to remove a small amount of CO2 from the atmosphere?
  2389. Schwinger trick and following change of variables
  2390. Noether current for SO(3) rotation
  2391. Prove Hermitian with two different wave functions
  2392. Website for Iterative Map / Lyapunov exponent
  2393. Schrodinger equation for one dimensional square well
  2394. latent heat, liquid-gas transition, stat mech with gravity
  2395. Help with graphing currents in electrical circuit
  2396. Electromagnetic Vector Fields (Static)
  2397. Unlimited resistors to build a 5 watt circuit with resistance of 10 ohms.
  2398. resolution power of telescope lab (rayleigh criterion)
  2399. Motion of an electric charge in the field of an electric dipole
  2400. dex error system.
  2401. Type 1a Supernova - linking Nickel decay to luminosity
  2402. Relatavistic Collision
  2403. Why is diffusion coefficient = 1/2?
  2404. Index raising and lowering: GR
  2405. Non-Stationary State Wavefunction - Normalized? <L^2>? Uncertainty on L^2?
  2406. Using Newtonian field equation to find the gravity inside a sphere
  2407. Find Apparent depth due to a non-homogenous liquid
  2408. Finding Effective z automic number and electron density
  2409. Synthetic Data Fitting- Goodness of Fit
  2410. Electrostatic Conformal Mapping Problem
  2411. Can an operator without complete eigenstates be measured?
  2412. Helium-Neon LASERS gain bandwidth
  2413. Energy-Time Uncertainty of Gaussian
  2414. Darwin and relativistic kinetic energy correction for hydrogen
  2415. Statistical Mechanics of Blue and Orange Bacteria
  2416. specific heat for a 1-D lattice
  2417. AC Theory question with capacitors
  2418. rotation matrix
  2419. Dimensional Analysis - waves and surface tension question
  2420. Normal mode in a pipe, continuity
  2421. in Quantum Mechanics Problem
  2422. Gaussian Wavepacket Momentum Squared
  2423. Casimir's trick, with a stupid question
  2424. Special relativity (A.P. French 7.5)
  2425. Pressure distrubution inside accelerating vehicle
  2426. Check my Lagrangian equation of motion for inclined sphere.
  2427. Seemingly simple question that I managed to be stumped on.
  2428. Relationship between Trace and Determinant of Unitary Matrices
  2429. Mistake with Biot Savart, B of a circular loop integral
  2430. Aperture function of Diffraction Grating
  2431. electric field enhancement near a surface bump
  2432. Total Angular Momentum in Nuclear Shell Model
  2433. potters wheel coefficient of kinetic friction
  2434. Force on a Magnet Moving through a Wire Loop
  2435. what fraction of molecules in an ideal gas have velocites between φ1 & φ2 and θ1 & θ2
  2436. Hysteresis loop
  2437. IYPT 2012 Magnet + Coin
  2438. Bessel functions continuity
  2439. Finding the state functions from the fundamental equation
  2440. Density of states and group velocity
  2441. Solving the equations of motions of a particles constrained to a sphere.
  2442. Lissajous figure
  2443. Deriving equation of potential energy of H2
  2444. Thermodynamics, entropy representation problem
  2445. Refraction and Complex refractive index
  2446. Energy of First Tunnelling Resonance
  2447. Dipole embedded in dielectric sphere...is this the best way to do this?
  2448. Normalizing my data
  2449. Plane kinetics of rigid bodies
  2450. Direction of extraordinary and ordinary waves (birefringence).
  2451. Rotations in four dimensions that leaves FRW metric unchanged
  2452. Spinor notation excercise with grassman numbers
  2453. Problem with normalisation, or should i say integration
  2454. Moving particle decay
  2455. Thermodynamics, system of 2 gases
  2456. Complex potential of a metallic cylinder
  2457. Thermodynamics: Isobutane entropy and power problem
  2458. Travel time of light in gravity field of sun.
  2459. How to estimate how many wavelengths wide a laser is?
  2460. Lagrangian problem: Ball oscillating in spherical bowl
  2461. Describe the thermodynamic system of a wire.
  2462. Building a solar cell - semiconductors
  2463. Orbit around an asteroid.
  2464. Easy Electrodynamics Question on Field Lines
  2465. Potential Step Scattering
  2466. Wave Function in an infinite voltage area
  2467. A rectangular loop of wire
  2468. Polarization
  2469. Deduce primitive lattice vectors from position vector.
  2470. Integral from solid state
  2471. Charge distribution of a uniformly charged disk
  2472. Question about algebraic groups
  2473. Normalizing a wave function.
  2474. Equations of motion from Lagrangian and metric
  2475. Initial Mass Function
  2476. equivalence of Born and eikonal identities
  2477. Wave function evaluation
  2478. Poynting Vector (Griffiths 8.1)
  2479. The Doppler Effect for Light Waves
  2480. Another "christoffel symbols from the metric" question
  2481. Rail Gun type problem - find distance of particle traveled with minimal data
  2482. Fick's Law (Schroeder, Thermal Physics Page 47)
  2483. Electric dipole radiation
  2484. Predict nature of motion from Lagrangian.
  2485. Lagrangian problem
  2486. Give two reasons why the apparent position of the Earth's geomagnetic pole...
  2487. Relativistic electric field derivation
  2488. definition of wigner D matrix
  2489. Deriving Wave Equation
  2490. Hot Wire Anemometer
  2491. solving a time independent Schrodinger equation
  2492. ln sigma vs 1/T curve for p-type semiconductor
  2493. Relating temperature to energy in microstates of a system (Blundell)
  2494. Radiative Cooling Rate
  2495. Observable and Operators - Obtain an expression
  2496. Symmetric/antisym solutions question
  2497. find the probability that a muon is passing through your body this instant
  2498. Capacitance and Other Traits of a Coaxial Cylinder
  2499. Simpliest possible linear wave equation?
  2500. s=vt in special relativity
  2501. A particle confined to a space
  2502. Calculating Molar Gibbs Function
  2503. Quantum Mechanics Entangled States
  2504. current density inside superconductors
  2505. Free electron metal
  2506. Second Virial Approximation for Infinite Number of Particle Types
  2507. Bohr radius
  2508. Debye-Scherrer method in finding atom diameter?
  2509. Help with simple bin. expan.
  2510. Electromagnetic Absorption/MATLAB calculaiton
  2511. Time Dependant One Dimensional Square well
  2512. Deducing potential from symmetry (from Griffiths EM)
  2513. Infinite well problem, not normal probability function(?)
  2514. Density pressure Temprature
  2515. Proving a particle is moving in an elliptical orbit.
  2516. Rutherford Scattering Formula from Hyperbolic Path Equation
  2517. Undefined angles for Compton scattering
  2518. Excited electrons and spectral lines
  2519. Lagrangian of pendulum
  2520. Grand Canonical Partition Function for Simple System
  2521. molar heat capacity in metals and ionic solids
  2522. Modal values from an Applet
  2523. resonance frequency of confocal resonator
  2524. Q of tuning fork; resonant and natural frequency
  2525. Covariant Bilinears: Fierz Expansion of Dirac gamma matrices products
  2526. Dirac notation with operators
  2527. Description of a wave packet incident on a square potential barrier
  2528. "frozen-in" magnetization in a long cylinder
  2529. Uncertainty in radioactive half-life experiment
  2530. Dissociation Energy of KCl
  2531. Calculating the energy loss of the quasi-elastic peak
  2532. Expectation value of the displacement operator in thermal equilibrium
  2533. Dissociation energy of NaCl, finding parameters and more questions
  2534. The improvement of signal-noise
  2535. Is this nuclear physics question's answer correct?
  2536. Relativistic motion in a particle accelerator: Rate of Energy Loss
  2537. Notation regarding the dipole approximation
  2538. A problem while verifying the generating function of Legendre Polynomials.
  2539. Thermodynamics, finding the fundamental equation of ideal gases
  2540. Complex integral
  2541. fundamental forces. gluons/pions
  2542. Laplace Transforms of Kirchhoff's Laws
  2543. Uncertainty values for non-Gaussian functions
  2544. Ionization energy of the dihydrogen
  2545. Thermal physics. Entropy's functional dependecy
  2546. isotropic harmonic potential degeneracy of two identical particles
  2547. laurent series expansion
  2548. problem with non-commutative functions(quantum mechanics)
  2549. Fourier transform
  2550. E-P invariant on relativistic mecahnics problem
  2551. Wave on a string meeting a boundary between areas of different densities
  2552. Spin and parity for nuclear shell model
  2553. Euler-Lagrange Equations and Derivatives
  2554. When does a Lagrangian have (1/2)?
  2555. Complex amplitude reflectance of a spherical mirror
  2556. Map energy eigenstates to cartesian unit vectors - Harmonic Osillator
  2557. Intensity Distribution of 4 Slit diffraction grating using convolution
  2558. Two infinite cylinders Couette flow. How to fix the pressure integration constant?
  2559. Navier-Stokes equations with temperature term
  2560. Electron Cloud described by a Gaussian distribution
  2561. charge in relativity
  2562. Motion equation for harmonic oscillator
  2563. complex potential resulting in exponentially decreasing standing waves
  2564. energy of a photon
  2565. Collimating light from Optical fibre problem
  2566. Finding spin and parity from nuclear reactions
  2567. Phonons and the Dulong-Petit Law
  2568. Depth of a finite square well
  2569. Prove all vectors lie on a cone (Laue Cone)
  2570. Phase change from mass in middle of a string
  2571. Bose-Einstein Condensation & de Broglie wavelength
  2572. Rolling motion of a cylinder
  2573. Determining the total distance a solid sphere will roll.
  2574. Nuclear Photo Reaction + Threshold Energy
  2575. Two oscillating masses on springs in one dimension
  2576. Radioactive Dating, calculating age?
  2577. e ffective relativistic degrees of freedom of the early universe
  2578. charge density for a disk moving at constant velocity
  2579. Calculate dielectric constants at an angle
  2580. A problem on angles from different inertial frames
  2581. Sketch in Cylindrical Coordinates for z=6
  2582. Beat frequency: which equation to use to find the mass of string 2
  2583. Dirac Notation: Am I doing this right?
  2584. Steady-State Temperature Distribution of a circular disk
  2585. Piezoelectric effect: calculate change of length of crystal
  2586. Fourier Equations
  2587. Energy of atoms in different levels
  2588. To find the expectation value of momentum
  2589. Special Relativity length contraction and velocity
  2590. Moment of Inertia of Infinite Rod
  2591. 4-momentum of particles in lab and CM frame
  2592. Find the inner product of the Pauli matrices and the momentum operator?
  2593. Potential well with inner step, perturbation theory
  2594. Bead sliding on a rigid straight wire
  2595. Local Minimum of Potential Function of Spherical Pendulum
  2596. Total energy in a wire using energy densities
  2597. classical phase space flow exact solution
  2598. Power of higher order mode beam
  2599. The Laue Equations
  2600. Generating function, hamiltonian dynamics
  2601. Find matrix for total angular momentum along y; find eigenvalues and eigenvectors.
  2602. Inertia of body that is oriented at some angle from axis of rotation
  2603. Weird charge distribution
  2604. Time Dependant Hamiltonian Jacob question
  2605. How to solve this transistor problem?
  2606. Finding the flux of an electrix field
  2607. Fermions that can access 10 distinct energy states; Statistical Physics
  2608. velocity of piston help
  2609. free body diagram help
  2610. Hysteresis losses in an inductor - resistance proportional to frequency?
  2611. Am I starting this off right? - Writing Lagrangian for a[Complicated] Double Pendulum
  2612. Calculate the kinetic energy of the proton ..
  2613. physical interpretation of the equation (time derivative of Spin angular momentum)
  2614. Infinite potential well energy question
  2615. rms magnetic field strength
  2616. question on beams
  2617. Collisions mechanics question
  2618. Mechanics question involving spring and hookes law.
  2619. Raising and Lowering Vectors/Tensors
  2620. Quantum mechanics: Normalization and the width of distribution
  2621. Dynamics of a particle in a potential U(x) = f|x|
  2622. Multi-electron eigenfunction problem
  2623. integration in complex plane - deforming contours
  2624. Calculating eigenvalues and eigenvectors
  2625. Does anyone know an equation for Δn/Δt for a two-state system?
  2626. Yukawa Potential: Find trajectory of bound orbit.
  2627. Elongation of a pendulum???
  2628. Big aperture of telescope
  2629. Maxwell’s equations for oscillating electric dipole
  2630. Index Raising in Linearized General Relavitiy
  2631. Potential/Charge on Concentric Conducting Shells
  2632. Nuclear Physics: charmed baryons
  2633. Force inside conductor
  2634. Intro Electromag Question - Wave Equation
  2635. E&M question
  2636. Reflection and Transmission Intensity of randomly polarised light
  2637. text book solution
  2638. Lunar Lander Formulas for Fuel / Masses
  2639. CKM matrix weak eigenstates
  2640. Calculate binding energy & compare to Electrostatic Repulsion
  2641. Difference in potential between point charges
  2642. Classical mechanics problem
  2643. Age of rocks calculation - I only need little help
  2644. Lagrangian Density, Non Linear Schrodinger eq
  2645. Hydrostatic of oceans
  2646. General Relativity: Prove symmetry of Einstein tensor
  2647. Hydrogen WaveFunction
  2648. Acceleration of an offset rotating point on a sphere
  2649. Calculating the half-life of decays of Radium-224
  2650. Optics:Polarization in liquid
  2651. luminosity distance
  2652. Measuring inductance with Anderson's bridge
  2653. Kaon decay to a lepton and associated neutrino
  2654. thermo heat capacity proof: cp - cv
  2655. Calculation of momentum of relativistic particles
  2656. How to tell whether a transition state is metastable?
  2657. Velocity phase space and energy diagrams
  2658. Canonical Quantization problem; finding Schroedinget time-dependent equation
  2659. Radioactive Activity of a Gamma source
  2660. The Parity Operator: Find the average value of the parity.
  2661. A problem about the Fermi-Dirac equation. when T=0
  2662. Calculating constants in mixed state of first two energy levels (infinite Q Well)
  2663. Fermi energy
  2664. Electromagnetic Energy Density
  2665. Compute commutator of [P^m, X^n]
  2666. Cylinder in Magnetic Field
  2667. Solid State Physics Help Please!!! (Instrinsic->Extrinsic)
  2668. Question on quantum mechanics
  2669. Astrophysics Photometry Exercise Coursework
  2670. Help! No net charge inside conductor
  2671. Resonance in phase
  2672. CLIMATE physics-general atmospheric circulation
  2673. Coulomb Energy Units
  2674. Expected Value of Hamiltonian in a Forced Quantum Harmonic Oscillator.
  2675. Density operator for one part of a two-party state
  2676. Electrostatics, force applied on a charge
  2677. 10 Oscillators & 8 Quanta of Energy, Dominant Configuration?
  2678. Firmi-Dirac Stats. - Calculate number of microstates.
  2679. Polarization of Reflected Beam
  2680. Noether current for SO(N) invariant scalar field theory
  2681. Relativistic collision in CM frame at small angle
  2682. Quantum physics problem- Bra-Ket notation and operators
  2683. Recursion relation in the hydrogen atom
  2684. Computing a differential from plotted data
  2685. Carnot cycle, fundamental equation of ideal gas
  2686. What does "Solve for the time dependence of" mean?
  2687. numerical solution for 1d fdtd maxwell equation using yee algorithm
  2688. Explanation of second order generation(Frequency Doubling)
  2689. Proving an eigenfunction (EF) from Lx as combination of EF of Lz
  2690. Reaction Rate of a Solar Fusion
  2691. Charge Density Matrix
  2692. Volta potential
  2693. partition function to find expected occupancy of a lattice defect
  2694. finding stress energy tensor of a rod under tension
  2695. Coordinate-independence of equation for the parallel transport
  2696. Calculate Heat conductivity of Tube by Matlab
  2697. Quantum States?
  2698. Particle Behavior in Double Slit
  2699. Dirac Delta Function (electrodynamics)
  2700. Penrose Singularity Theorem
  2701. Laplacian over a radial function for charge density
  2702. Finding neutrino mean free path using cross section for interaction
  2703. Magnetic Field Seen by Orbiting Electron
  2704. Absolute derivative
  2705. Dissociation Energy (Modern physics)
  2706. Diatomic molecule Hamiltonian
  2707. Estimating number of Neutron Stars in a Star Cluster
  2708. Doppler Shift as Applied to Nuclear Structure and Spectroscopy
  2709. Normalizing a Wave Function
  2710. Quantum and Commutation - Help me start
  2711. Applying a gate to entangle states
  2712. commpute probability in momentum space of particle in box (after walls are removed)
  2713. Fourier Transform and Wave Function
  2714. Particles
  2715. Fermi energy
  2716. One dimension scattering problem
  2717. Fourier Series of an Odd Piecewise function
  2718. Nucleon in Inifinte Square Well
  2719. Geometrical optics - lens floating in mercury
  2720. Enthalpy, partial derivatives
  2721. Solve two eigenfunctins for a Finite Square Well
  2722. Thermodynamics: intensive and extensive variables- energy and entropy.
  2723. FOURIER Law of conduction
  2724. Electrostatic Charge Experiment
  2725. Physics Experiment Linear Regression Issue
  2726. A box on a moving wedge, on an inclined plane
  2727. "Consider the time-dependent Schrodiner equation ..."
  2728. General question about wavefunctions
  2729. Series expansion of a harmonic oscillator
  2730. Estimating with uncertainty principle
  2731. need help on this question on Newtons law of cooling
  2732. Potential step, classical vs quantum mechanics
  2733. Measuring the velocity of cosmic ray muons
  2734. Long wire problem: Deriving an expression from the Bessel Function
  2735. Dirac equation
  2736. Cross product in spherical coordinates.
  2737. Proof that Capacitance Coefficient C21=C12
  2738. None symmetrical optical Klystron
  2739. Coupled Quantum Harmonic Oscillator
  2740. Dirac formulation of QM, motivation for SE
  2741. Gauss's Law:Metal sphere of radius 'a' surrounded by a shell
  2742. Fermi Vector in Ferromagnetic Material
  2743. Capacitance of a System (Spherical Conducting Shells)
  2744. Magnitude and Direction of a Magnetic Field at the Circumference of a Disk
  2745. Mass-Luminosity derivation help
  2746. Feynman Diagram: Simga+ --> p + gamma?
  2747. Statistical interpretation (intro to quantum)
  2748. Quantum mechanics question on probability amplitude
  2749. electron-positron vs electron-proton scattering
  2750. <x^2> Hydrogen Atom
  2751. Gibbs Free Energy of Atomic Hydrogen Ionization
  2752. Conformal Field Theory: Evaluating the Vertex Operator on the Vacuum
  2753. Use the density of the liquid to estimate the radius of a neon atom.
  2754. Lightlike Separations & Events
  2755. Uncertainty Principle Examples in Solid State Physics
  2756. Lorentz gamma factor in a decay of arbitrary leptons
  2757. The temperature change of an ideal gas, Joule Kelvin expansion (const. enthalpy)
  2758. Van der Waals, temperature decrease
  2759. Stern-Gerlach Predictions of Elements
  2760. Electric Dipole in a Magnetic Field: Conservation of energy
  2761. Two State Quantum System with a given Hamiltonian
  2762. Angular Momentum Torque
  2763. Lepton-quark symmetry, quark-mixing and Cabibbo angle
  2764. electrical induction and electric field in sphere
  2765. Perturbation theory (qualitative question)
  2766. Why is ρ0 ---> π0 + π0 not allowed?
  2767. Help with research
  2768. Legendre polynomials, Jackson's book problem, potential
  2769. Mass of Schwarzchild geometry
  2770. Boundary Conditions in a Waveguide
  2771. Riemann Normal Coordinates and the metric
  2772. Probability density function via its characteristic help...
  2773. Reif Ch7, Decomposition of partition function
  2774. Calculating Fermi Level position in doped Silicon
  2775. Triangular Potential Well
  2776. Komar mass of Schwarzschild
  2777. Fundamental equation and state equations of the ideal gas
  2778. Proving Recursion relations for Bessel Functions
  2779. The ionization temperature of helium atom
  2780. dispersion relation in 1-D
  2781. Reversible adiabatic expansion using Van der Waals' equation
  2782. Larmor precession pi/2 out of phase
  2783. Eigenspinor Sx for Spin 1 Particle
  2784. Long wavelength absorption?
  2785. The Magnitude of the Poynting Vector
  2786. calculate energy of wavefunctions for a particle in infinite spherical well
  2787. moment of inertia: vector derivation
  2788. Help with Compressibility of liquid and relation to pressure
  2789. Deriving the meaning of the Ricci Tensor
  2790. Relativistic Bohr Atom and MacLaurin Series
  2791. Finding the shapes of all timelike geodesics
  2792. Latex doubt
  2793. Isothermal compressibility of bose-einstein condensate
  2794. "Quix" particle (6 under color su(3)) problem
  2795. density of states of photons
  2796. Foucault Pendulum
  2797. Quick question about constant of motion
  2798. Inverse of the 1-D momentum operator
  2799. Time evolution operator
  2800. Magnetic moment of an atom
  2801. Simple 2 level paramagnet system- How to find the number of states
  2802. Jackson's Electrodynamics. Question on Capacitance definition...
  2803. Force in different frames
  2804. Double curl identity
  2805. Ground state energy of particle in quantum harmonic oscillator.
  2806. Charge oscillating on a spring
  2807. Point-Source derivative form Gauss's law valid?
  2808. Nuclear Decay question without knowing N0 or N ??
  2809. Calculating the Riemann Tensor
  2810. Space Physics (sun and solar wind) problem
  2811. An electrostatic problem
  2812. Lagrangian in rotating space without potential
  2813. particle in a box classical expectations
  2814. calculate electric field of infinite slab
  2815. Magnetic Field through metal sheet
  2816. Electromagnetism, Poynting vector
  2817. Charged soap bubble problem
  2818. Finding the energies of 2 photons from a decay of a travelling mass
  2819. Finding the equation of a straight line in 3 dimensions.
  2820. Need to find the riemann curvature for the following metric
  2821. Charged sphere place within a cylindrical capacitor
  2822. Electromagnetism Charged Sphere Q.
  2823. Finding residue of a function(complex analysis)
  2824. What do the terms mean in the energy density for photon gas ##u(\omega) d\omega ## ?
  2825. Maximum efficiency of an engine taking heat from two hot reservoirs
  2826. find the hamiltonian
  2827. Checking method for calculating free charge from Electric field in LIH
  2828. Separation of Variables in Spherical Schrodinger Equation
  2829. Checking my result in EM -finding a potential-
  2830. Electron positron system
  2831. Help Finding path of a particle with an intial position and initial velocity
  2832. Potential difference between two cylinders
  2833. Two Dielectrics
  2834. electron in box considering effects of gravity
  2835. When is Grand Potential minimized?
  2836. Fermion Current Commutators in 2 dimensions
  2837. Euler Cromer Method to Predict Trajectory of Curveball in Three Dimensions
  2838. Electric field undergoing discontinuity
  2839. Spin-Echo imaging sequence
  2840. Find the charge density of a ring.
  2841. Transformation of Angles (Relativity)
  2842. Estimate the lifetime of the excited state that produced this line.
  2843. Expanding the electromagnetic hamiltonian
  2844. Old exam question about potential and thermodynamics
  2845. Normalizing the spherical harmonics
  2846. Mathematica/Graphing Question for Muon Lifetime Laboratory
  2847. Non linear Power Series ODE
  2848. Work and Energy Loss; Electrostatics
  2849. A few questions on Nanotechnology (Microscopes/Optics)
  2850. Binding energy of 2p electron in Lithium
  2851. Projectile motion over angled edge!
  2852. launch angle rocket
  2853. Normalization Constant for Gaussian
  2854. Maxwell speed distribution
  2855. Centripetal Force required to hold electron