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Derive the relation between the P & R branches
- Bananen
- · Replies 2 ·
QM harmonic oscillator - integrating over a gaussian?
- tarkin
- · Replies 3 ·
Entropy of a System of Spin-half Non-interacting Particles
- VSayantan
- · Replies 10 ·
Eigenstates of Rashba Spin-Orbit Hamiltonian
- korialstasz
- · Replies 1 ·
Does this operator commute with the Hamiltonian operator?
- tarkin
- · Replies 1 ·
What is the Hamiltonian for an LC circuit?
- yuvalidan
- · Replies 1 ·
QM: Solving Free Particle with 3D Wave Function Using Fourier Transform
- MementoMori96
- · Replies 4 ·
Continuous Grey Atmosphere Model
- il27
- · Replies 1 ·
Electric dipole EM field using Lorentz Transformation
- leo.
- · Replies 8 ·
How to Express Charge Q Using Creation and Annihilation Operators in QFT?
- Milsomonk
- · Replies 2 ·
"Protons+electrons" model vs "protons+neutrons" model
- njdevils45
- · Replies 9 ·
MTW Chapter 21 Arcane Language
- TerryW
- · Replies 3 ·
FORTRAN 90 How to plot the Poincaré section?
- youngfreedman
- · Replies 1 ·
Interpret constraints on scattering amplitude
- Valeriia Lukashenko
- · Replies 1 ·
Lagrange Multipliers in Classical Mechanics - exercise 1
- mcaay
- · Replies 7 ·
What is the equation for calculating crystal length using index of refraction?
- Leggit9
- · Replies 3 ·
How Do You Calculate the Ricci Tensor for the AdS Metric in 4 Dimensions?
- HamOnRye
- · Replies 1 ·
Difficuilt and/or interesting problems in fluid mechanics
- Horvath Bela
- · Replies 4 ·
Orbital/Spin angular momentum + magnetic quantum numbers
- youngfreedman
- · Replies 1 ·
Commutator of the Dirac Hamiltonian and gamma 5
- Milsomonk
- · Replies 2 ·
Variable of integration in geometric phase calculation
- yeshuamo
- · Replies 1 ·
Are These Spectroscopic Notations Physically Possible?
- njdevils45
- · Replies 8 ·
Magnetic Moment and Spacing of Adjacent Magnetic Substates
- njdevils45
- · Replies 2 ·
Are Electronic States in a 1D Atomic Chain Eigenstates of the Hamiltonian?
- squareroot
- · Replies 1 ·
Intrinsic carrier concentration where did I go wrong?
- Kara386
- · Replies 1 ·
The Dirac equation in Weyl representation
- Milsomonk
- · Replies 7 ·
XY plane as the interface between two media
- whatisgoingon
- · Replies 3 ·
Black hole inside a star -- How long for it to consume the star?
- Vrbic
- · Replies 2 ·
Recurrence relation for harmonic oscillator wave functions
- squareroot
- · Replies 2 ·
Find potential between 2 conc. cyl. with grounded strip
- vemarli
- · Replies 2 ·
How to express velocity gradient in cylindrical coordinates?
- Inquisitive Student
- · Replies 3 ·
General relativity- Coordinate/metric transformations
- jgarrel
- · Replies 3 ·
The difference between Auger Electron Spectroscopy and XPS.
- Red
- · Replies 3 ·
How Does Dipole-Dipole Interaction Affect H₂ Molecule's Ground State Energy?
- avkr
- · Replies 1 ·
How to Prove the Property of Tensor Invariants?
- Van Ladmon
- · Replies 5 ·
Fock states as integrals of coherent states
- BOAS
- · Replies 18 ·
How Do You Calculate Eigenvalues for Combined Spins in Quantum Mechanics?
- Marvelant
- · Replies 14 ·
QM: Purity, two-outcome measurements
- alc95
- · Replies 1 ·
How does the differential form of Faraday's law relate to induced current?
- PhysicsInNJ
- · Replies 5 ·
Angular velocity of a wheel rolling around a fixed axis
- sid0123
- · Replies 1 ·
Understanding e+e- --> W+W- Process Diagrams
- davon806
- · Replies 3 ·
Force of magnetic attraction between hemispheres
- Pouyan
- · Replies 2 ·
Finding the probability of 1s electron within a cubical volume
- Muthumanimaran
- · Replies 5 ·
Particle moving down a cone (Newtonian formulation)
- JaJoMarston
- · Replies 4 ·
Classical mechanics question (pendulum)
- Clara Chung
- · Replies 11 ·
Cluster Approximation for the Two-Dimensional Ising Model
- MathematicalPhysicist
- · Replies 1 ·
One-Dimensional Ising Model in Bethe Approximation
- MathematicalPhysicist
- · Replies 2 ·
Probabilities for two spin systems interacting in isolation
- PhotonSSBM
- · Replies 5 ·
Why Are the EOMs for a Complex Scalar Field Not Independent?
- Milsomonk
- · Replies 2 ·
Kinetic energy of an electron on the β spectrum?
- richphys
- · Replies 2 ·
Time Evolution of Spin in a Magnetic Field
- JoseGG
- · Replies 1 ·
Peskin complex scalar field current
- Dansuer
- · Replies 1 ·
Lagrangian of system with circle and cube
- Oomph!
- · Replies 1 ·
What is the Bethe Approximation for a One-Dimensional Ising Model?
- MathematicalPhysicist
- · Replies 5 ·
What is the Threshold Energy of a Neutrino in the Centre of Mass Frame?
- avkr
- · Replies 10 ·
What is the Q-value of the β- decay of Ni-65?
- richphys
- · Replies 3 ·
Decay Processes of 39Ca, 39Ar, and 40K
- richphys
- · Replies 1 ·
Proper distance in Schwarzschild metric
- WendysRules
- · Replies 1 ·
How are allowed and forbidden reflections calculated?
- ScareCrow271828
- · Replies 1 ·
Fluid Dynamics -- a spherical particle immersed in water
- Prashant Bagga
- · Replies 3 ·
Eigenvalues and vectors of a 4 by 4 matrix
- Ron Burgundypants
- · Replies 3 ·
By energy conservation, show the 4-velocity of dust satisfies this....
- whatisreality
- · Replies 1 ·
Quantum constant of motion in a magnetic field
- Dario SLC
- · Replies 2 ·
Lagrangian equations - ring which is sliding along a wire
- Oomph!
- · Replies 3 ·
How does the Pauli Exclusion Principle in this problem?
- whatapples
- · Replies 6 ·
Number of individual states with the same occupation numbers
- WeiShan Ng
- · Replies 1 ·
Relation between heat capacities and van der Waals equation
- patrickmoloney
- · Replies 23 ·
Method of images, charge q inside conducting sphere
- amjad-sh
- · Replies 7 ·
Maxwell Relation, Gibbs Free Energy, Thermal Expansion Coefficient
- Tian En
- · Replies 1 ·
Mass of Hydrogen needed to determine lifetime of proton
- MxwllsPersuasns
- · Replies 1 ·
Why do 2 d not decay into alpha particle and neutral pion?
- MxwllsPersuasns
- · Replies 1 ·
What does the superscript "d" mean in the differential?
- ianmgull
- · Replies 1 ·
Surface bound charge on the outer surface of a dielectric
- JKC
- · Replies 1 ·
Understanding functional derivative
- Bishamonten
- · Replies 7 ·
Lagrangian of a sphere rolling down a moving incline
- kafn8
- · Replies 3 ·
Contraction of the Bianchi identity
- whatisreality
- · Replies 2 ·
Integrating a delta function of a function
- Milsomonk
- · Replies 12 ·
How to calculate the dipole moment of the spherical shell?
- lrcarr
- · Replies 1 ·
Show that the Hydrogen wave functions are normalized
- kneesarethebees
- · Replies 9 ·
2 degree of freedom system modeling
- omka
- · Replies 3 ·
Deriving the vapor pressure latent heat dependence
- il27
- · Replies 18 ·
Find the path of a particle given a potential function.
- 693Janu
- · Replies 16 ·
Thermodynamics, isothermal irreversible
- Faiq
- · Replies 3 ·
Confused about dot product step while deriving the Liouville equation
- oristo42
- · Replies 1 ·
How Does Tensor Index Contraction Work?
- whatisreality
- · Replies 6 ·
Equation of motion in harmonic oscillator hamiltonian
- oristo42
- · Replies 1 ·
Spherical Boundary condition problem
- Mike Jonese
- · Replies 3 ·
Electrostatics Boundary condition and coordinate choice
- Mike Jonese
- · Replies 14 ·
How does the determinant of the metric transform
- Milsomonk
- · Replies 2 ·
How Do You Normalize the Wavefunction Ψ(x) in Quantum Mechanics?
- Guey
- · Replies 1 ·
Stability of a White Dwarf Against Gravitational Collapse
- MathematicalPhysicist
- · Replies 3 ·
Small oscillations and a time dependent electric field
- Shivy G
- · Replies 4 ·
Derivation of the expansion of the potential in rectangular coordinates
- MathematicalPhysicist
- · Replies 10 ·
Solve coefficients for four equations in square well
- dsdelavega
- · Replies 4 ·
Solving for <p>, <x> and <x^2> using raising and lowering operators
- njdevils45
- · Replies 5 ·
Lowering Operator Simple Harmonic Oscillator n=3
- njdevils45
- · Replies 4 ·
Binder cumulant g as a function of temperature
- Firben
- · Replies 3 ·
Virial Theorem and Simple Harmonic Oscillator
- njdevils45
- · Replies 1 ·
Partition Function at a Fixed Pressure
- MathematicalPhysicist
- · Replies 1 ·
Finding bound state and scattering matrix of Hamiltonian
- jojo2255
- · Replies 1 ·