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Matrix Representation: What Happens to |a''><a'|?
- indigojoker
- · Replies 2 ·
What are the problems that need help with?
- obnoxious
- · Replies 3 ·
Density Operator for 2 Systems: Pure State
- PhysiSmo
- · Replies 2 ·
Can a Particle with Rest Mass Travel at the Speed of Light?
- Qyzren
- · Replies 1 ·
What are sigma and sigma_1 in problem 6.2 of Goldstein?
- ehrenfest
- · Replies 2 ·
Solve String Theory Problem: dX/dx=∂X/∂x?
- ehrenfest
- · Replies 5 ·
Real and Complex Parts of a Wave Function
- Rahmuss
- · Replies 3 ·
How Many Electron States in the Irreducible Part of 1BZ?
- malawi_glenn
- · Replies 2 ·
Yes, these all refer to the same concept.
- ehrenfest
- · Replies 1 ·
Brachistochrone curve - Gravity and other influences
- ehrenfest
- · Replies 5 ·
Adding Ice to Water: Physics Forum Solutions
- lostinphysics44
- · Replies 1 ·
What Are the Limits to Quasi-CW in Non-Linear Optics?
- n0_3sc
- · Replies 2 ·
Can the Drude Model Explain Scattering Time in Terms of Unit Conversion?
- tigigi
- · Replies 4 ·
Dynamics: Tangential and Normal Coordinates
- fabri010
- · Replies 4 ·
How can I correctly solve for dA in Gauss's Law for a sphere?
- Rib5
- · Replies 1 ·
What are the properties of reciprocal lattice vectors?
- malawi_glenn
- · Replies 15 ·
What Happens When an Infinite Square Well Expands Symmetrically?
- WarnK
- · Replies 4 ·
Electrical Resonance and Complex Numbers
- thirdchildikari
- · Replies 3 ·
How Does Erasing Computer Memory Affect Entropy?
- jlmac2001
- · Replies 9 ·
Where Does the Last Equality in Equation 6.79 Come From?
- ehrenfest
- · Replies 1 ·
Atoms per unit length and area in BCC along [111]
- madeinmsia
- · Replies 3 ·
Circuit Nodal voltage question out thanks
- engineer_dave
- · Replies 5 ·
Klein-Gordon-Schrodinger and Dirac equations
- Lecticia
- · Replies 2 ·
Prove (g^n,h) = ng^{n-1} from Poisson bracket (g,h) = 1
- sundriedtomato
- · Replies 9 ·
Commutativity Equation Of Hamilton and Position Operators
- buraqenigma
- · Replies 7 ·
How to Determine v0 Using Superposition in a Complex Circuit?
- engineer_dave
- · Replies 3 ·
Vectors that constitute the diagonals of this parallelogram
- nick227
- · Replies 6 ·
Velocity and accleration of a particle
- nick227
- · Replies 10 ·
Do Plastics Release Toxic Fumes When Burned or Decomposed?
- hamza
- · Replies 1 ·
Probability of measuring specific energy of particle
- physgirl
- · Replies 18 ·
Can we measure time and accelaration at the same time?
- goksen
- · Replies 1 ·
Solving 1D/2D Eigenvalue Equation for Proving Function
- jonny81
- · Replies 3 ·
Why does contracting with the metric tensor reduce 16 terms to 4?
- ehrenfest
- · Replies 28 ·
QC 5.2: Show Derivative of p w/ Respect to Tau' is 0 for Arbitrary Parameter
- ehrenfest
- · Replies 6 ·
Electric potential of +Q at distance r vs 2r
- physicsstar26
- · Replies 1 ·
Proton electric potential/ final speed calculation
- physicsstar26
- · Replies 4 ·
How Do You Determine the Eigenstate of S_x with Eigenvalue +ħ/2?
- indigojoker
- · Replies 4 ·
How do I know if this field has a mass term?
- Lecticia
- · Replies 6 ·
Are These Expressions for Probability Current Density Equivalent?
- qwijiboo
- · Replies 2 ·
Difference between Ẋ^μ and Ẋ in Zwebach QC 6.4
- ehrenfest
- · Replies 9 ·
Max Mass on Helium Balloon: 4.40 x 10^-3 kg
- Kleptoma
- · Replies 3 ·
Will the electron reach the opposite plate?
- physicsstar26
- · Replies 3 ·
Electric field from a linear charge distribution
- nowitzki49
- · Replies 1 ·
QM - Can We Conclude [A,B]=0 with {|a',b'>}?
- indigojoker
- · Replies 7 ·
Finding eigenvalues and eigenspinors of 3Ŝx+4Ŝy
- K.J.Healey
- · Replies 17 ·
Is the Joule-Thompson experiment an isenthalpic process?
- zeshkani
- · Replies 5 ·
Is Richard Robinett's Fourier Transform Convention Unconventional?
- ehrenfest
- · Replies 4 ·
QC 6.4 Zwiebach: Deriving the Relativistic Dot Product
- ehrenfest
- · Replies 5 ·
How to Derive Lagrange's Equations for a Double Pendulum?
- yukawa
- · Replies 3 ·
How do we obtain the Lagrangian of the EM field in Ryder QFT, 2nd Edition?
- PhysiSmo
- · Replies 4 ·
Compton scattering fractional wavelength change with blue light and X-rays
- ehrenfest
- · Replies 1 ·
Power plant with 400 MW output and 40% efficiency
- Martinii
- · Replies 2 ·
Equations to do with the z distance of a screw helix.
- BlackWyvern
- · Replies 2 ·
Comparing de Broglie wavelengths at 100V and 10,000V
- Ming0407
- · Replies 7 ·
Which Irreducible Representations Do PCl5 Orbitals Belong To?
- ziad1985
- · Replies 5 ·
What is the Characteristic Electric Field in an Atom?
- silimay
- · Replies 1 ·
Can Newton's Second Law be Applied to Relativistic Motion?
- lylos
- · Replies 5 ·
Dynamics - Normal and Tangential Coordinates
- asd1249jf
- · Replies 12 ·
Solved: Griffiths Quantum 4.58
- NeoDevin
- · Replies 5 ·
Finding kinetic energy from friction and velocity
- inventxdreams
- · Replies 2 ·
Determining Whether An Object Is Actually Gold
- chucas11
- · Replies 2 ·
How Is a Sidereal Day Measured Using Stellar Observations?
- Profklump
- · Replies 1 ·
Asteroid breaks into chunks with mass ratio 2.4:1 heading toward starbase
- iNCREDiBLE
- · Replies 1 ·
Problems 4.2 and 4.4 from Reif's Statistical and Thermal Physics
- dareymon
- · Replies 1 ·
How Many Oscillations and Amplitude of a Damped Pendulum in 4 Hours?
- BAC5.2
- · Replies 2 ·
Gas flows from cylinder A to cylinder B
- mune
- · Replies 4 ·
Solving Problems Involving Ge, Well Lagged Wires, and Heat Flow
- tigigi
- · Replies 1 ·
Calculating Viscosity of Newtonian Fluid
- physics_forums
- · Replies 2 ·
How Can Special Relativity Connect Momentum and Velocity Changes?
- ehrenfest
- · Replies 1 ·
Net force an an infinitesimal string
- ehrenfest
- · Replies 11 ·
Adiabatic expansion of a monatomic gas
- anchovie
- · Replies 1 ·
How Can You Derive the Electric Field of a Dipole for r>>d?
- G01
- · Replies 8 ·
Riemannian manifold and general relativity
- ehrenfest
- · Replies 2 ·
Energy eigenvalue and eigen vector
- dusrkeric
- · Replies 11 ·
Solve Hermitian Operators: Prove Int. w/ Wavefuncs
- T-7
- · Replies 4 ·
Calculate $\hbar \ln$ Gaussian Path Integral w/Einstein Summation
- MadMax
- · Replies 6 ·
Function approximation near a given point
- Irid
- · Replies 3 ·
Duality between generators of changes and observables in QM
- plmokn2
- · Replies 11 ·
Momentum-space Schrödinger equation for harmonic oscillator
- malawi_glenn
- · Replies 2 ·
Gradient of 1/r with respect to source coordinates in Griffiths
- Flux = Rad
- · Replies 8 ·
Is Griffiths Quantum 2.51 the Ground State Solution?
- NeoDevin
- · Replies 4 ·
How Do You Calculate the Length of a Spaceship Using Relativity?
- tacosareveryyum
- · Replies 6 ·
How to understand equation 6.51 in Ryder QFT 2nd ed. Page 192?
- Jimmy Snyder
- · Replies 17 ·
Solving WKB Eigenvalue Problem for Bound States
- T-7
- · Replies 2 ·
Partial derivative of Psi function
- Rahmuss
- · Replies 7 ·
Solutions to Schrodinger's Wave Equation
- Nothing000
- · Replies 7 ·
Probability of particle in interval from normalized wave function
- Nothing000
- · Replies 4 ·
Dielectric sphere - Find the electric field
- Qyzren
- · Replies 5 ·
Solve the Exponential Question: Breaking Distance at 60 km/h
- fatla00
- · Replies 1 ·
Book recommendations for superconductor lab report
- tiddwaylll
- · Replies 9 ·
Solving Differential Equations: Getting Started with Initial Conditions
- danny271828
- · Replies 1 ·
Is the Hermitian Conjugate of an Operator Always Hermitian?
- danny271828
- · Replies 2 ·
Solving the Puzzle: Two Snowcats Towing an Emergency Shelter
- jannetnguyen
- · Replies 2 ·
How much 32P stock solution is needed after 12 days?
- sanjeevkaushal
- · Replies 3 ·
Calculating KE of a Dust Particle: 1 microgram at 1 mm/s
- user101
- · Replies 4 ·
Is u(x) = exp(-x²/2) an Eigenfunction of \hat{A} = d²/dx² - x²?
- buraqenigma
- · Replies 7 ·
Maxwell Distribution of speeds
- zeshkani
- · Replies 1 ·
Carbon-14 dating of mummy shroud with half-life 5730 years
- sanjeevkaushal
- · Replies 1 ·
Calculate Signal Power from dBm vs Wavelength Graph
- n0_3sc
- · Replies 3 ·
Finding Kinetic Energy of an Electron in a Hydrogen Atom and a Cathode Ray Tube
- user101
- · Replies 2 ·