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Statistical Mechanics Occupation number
- tanaygupta2000
- · Replies 2 ·
Why is the Coefficient of cosθ Negative in the Exact Pendulum Solution?
- Saptarshi Sarkar
- · Replies 4 ·
Understanding Energy of Particles with 'x' Degrees of Freedom
- tanaygupta2000
- · Replies 4 ·
Statistical Mechanics: Four non-interacting particles are confined in a box
- tanaygupta2000
- · Replies 26 ·
Some questions about reciprocal lattice vectors
- patric44
- · Replies 3 ·
Do i need to calculate the expectation value of the Hamiltonian?
- Zero1010
- · Replies 31 ·
Finding meaning in the Phase of the wavefunction
- Irishdoug
- · Replies 11 ·
Partition function of 2 bosons in two energy level 0 and E
- Apashanka
- · Replies 9 ·
SR w/ Acceleration: Distance Measured by A
- Gaussian97
- · Replies 1 ·
Nuclear Reactor Analysis Problem 5.34
- Tanman77
- · Replies 3 ·
The Variation of Christoffel Symbol
- rezkyputra
- · Replies 8 ·
Partition function for a 3-spin system
- annaphys
- · Replies 3 ·
Mechanics problem in a non-inertial system
- RoloJosh16
- · Replies 13 ·
Find the Lagrangian of this single mass system
- MyoPhilosopher
- · Replies 14 ·
Find a transformation that leaves the given Lagrangian invariant
- JD_PM
- · Replies 26 ·
Calculating the Number of States: Ω = V^N * E^0.5N
- pallab
- · Replies 1 ·
Trouble with Electric Potential Boundaries (Computational Physics)
- CrosisBH
- · Replies 1 ·
Potential Energy vs x phase diagram
- Blakely42
- · Replies 6 ·
Negative or Positive Partial Derivative
- Saptarshi Sarkar
- · Replies 2 ·
Taylor expansion of an Ising-like Hamiltonian
- Silicon-Based
- · Replies 1 ·
QHO: Time dependant expectation value of the potential energy
- phb1762
- · Replies 3 ·
Antisymmetry of the electromagnetic field tensor
- shinobi20
- · Replies 7 ·
Wave behavior across two semi-infinite membranes with a special boundary
- Miles123K
- · Replies 1 ·
Invariance of ##\epsilon^{\mu \nu \alpha \beta}##
- dRic2
- · Replies 10 ·
Finding t and x in terms of proper time?
- Physicsphysics
- · Replies 1 ·
Isospin Conservation: Calculating I3 and I
- tm33333
- · Replies 3 ·
What are the coordinates of the upper cylinder? (and some algebra)
- JD_PM
- · Replies 12 ·
Why is the Answer C? Electric Field in Conductors
- SmartAries
- · Replies 4 ·
Dipole and Quadrupole moments and axial symmetry
- lapantufla
- · Replies 2 ·
Numerically simulating stellar pulsation using a "one zone" model
- patrykh18
- · Replies 1 ·
Gaussian wavepacket as a solution of the Schrödinger equation
- JorgeM
- · Replies 3 ·
Uncertainty in wavelength and position
- Saptarshi Sarkar
- · Replies 7 ·
Get all possible constants of motion given an explicit Hamiltonian
- JD_PM
- · Replies 56 ·
Determining Photon Paths in a Double Slit System
- kof9595995
- · Replies 1 ·
Contracting one index of a metric with the inverse metric
- shinobi20
- · Replies 2 ·
Ground state energy of 5 electrons in infinite well
- Saptarshi Sarkar
- · Replies 11 ·
Beam Splitter Inputs and Commutting Modes
- BeyondBelief96
- · Replies 1 ·
Change in Entropy for an isolated system
- Pouyan
- · Replies 1 ·
Using Noether's theorem to get a constant of motion
- JD_PM
- · Replies 81 ·
Fermion quantization derivation in quantum field theory
- Andrew3
- · Replies 1 ·
Density operator and natural log/trace
- t0pquark
- · Replies 15 ·
Vortex Nucleation Critical velocity using the Uncertainty Principle
- Ted55
- · Replies 1 ·
How is entropy affected in a reversible process for an ideal gas?
- Pouyan
- · Replies 3 ·
Five state quantum system notation clarification
- Cetus
- · Replies 7 ·
QFT Commutator for spacelike separation
- PeroK
- · Replies 2 ·
Understanding inner product space and matrix representations of Operat
- cookiemnstr510510
- · Replies 16 ·
Finding particle probability without wave function given
- Saptarshi Sarkar
- · Replies 2 ·
Linear operators, quantum mechanics
- cookiemnstr510510
- · Replies 12 ·
Find the time-dependent wave function Ψ(x, t).
- gabriellelee
- · Replies 4 ·
Traveling quantum Gaussian wave packet
- boudreaux
- · Replies 5 ·
Harmonic Oscillator Ladder Operators - What is (ahat_+)^+?
- gabriellelee
- · Replies 1 ·
What is the Relationship Between Probability Amplitudes and the Sum of Terms?
- isochore
- · Replies 15 ·
Momentum conservation for a free-falling body in GR
- complexconjugate
- · Replies 3 ·
[Computational Physics] Modeling the path of a Baseball with drag
- CrosisBH
- · Replies 3 ·
Solving a Complex Problem: Z_N, p(r), and Averages
- Jacques_Leen
- · Replies 3 ·
Canonical ensemble and Force on the Walls of a box
- Jacques_Leen
- · Replies 9 ·
How Does the Ising Model Apply to Lattice Gas Systems?
- Jacques_Leen
- · Replies 5 ·
Show that the metric tensor is independent of coordinate choice
- PrecPoint
- · Replies 3 ·
Lagrangian equations with other kinds of constraints
- DEvens
- · Replies 2 ·
Writing a squared observable in Dirac notation
- Zero1010
- · Replies 9 ·
What is the complex conjugate of this wave function?
- gabriellelee
- · Replies 1 ·
How to Calculate Relativistic Momentum Using M, m, and c?
- Saptarshi Sarkar
- · Replies 6 ·
Variations of a parameter in a differential equation
- themagiciant95
- · Replies 4 ·
Calculating Energy-Momentum Tensor in GR
- Markus Kahn
- · Replies 3 ·
Transformation from de Sitter to flat spacetime coordinates
- Markus Kahn
- · Replies 2 ·
Spectral density of radiative electric field
- Decimal
- · Replies 2 ·
Equation of Motion of a Particle acted on by a retarding force
- physconomics
- · Replies 1 ·
Derivation of the Equations of Motion for a System
- Master1022
- · Replies 6 ·
Feynman problem 39-2: Calculations for an adiabatic process
- aa_o
- · Replies 6 ·
Deriving ground state electron energy using Boundary Value
- currently
- · Replies 2 ·
Magnetic vector potential of a moving current sheet
- Decimal
- · Replies 2 ·
Hamilton's equation and Euler-Lagrange's equation comparison
- JD_PM
- · Replies 15 ·
Integral of relative distance–dependent potential
- Isotropicaf
- · Replies 4 ·
Electron and positron collision producing a b0 meson pair
- physconomics
- · Replies 8 ·
Particle in infinite well with initial state in leftmost quarter
- Irishdoug
- · Replies 3 ·
Particle decaying into two daughter particles - special relativity
- physconomics
- · Replies 1 ·
Partial Derivative of a formula based on the height of a cylinder
- currently
- · Replies 1 ·
Schrodinger's Equation in terms of vacuum permittivity?
- currently
- · Replies 5 ·
A moving pi-meson decaying into 2 photons - finding their energy
- physconomics
- · Replies 12 ·
Where Is the Error in My PV Modeling Code?
- nughii
- · Replies 11 ·
Why can we always choose energy eigenstates to be purely real function
- Irishdoug
- · Replies 2 ·
Group Action of C3v on 2x2 Complex Matrices
- filip97
- · Replies 3 ·
Minimum wavelength of phonons under the Debye aproximation
- AngelFis93
- · Replies 3 ·
Central force on a particle following a logarithmic spiral
- JD_PM
- · Replies 25 ·
What Do I Calculate the Probability Of?
- Saptarshi Sarkar
- · Replies 6 ·
Man rotating in a merry-go-round and grabbing a pendulum
- JD_PM
- · Replies 12 ·
Is There a Relationship Between Dipole and Wire Interaction Energy?
- Diracobama2181
- · Replies 1 ·
Proof of second-order phase transition for a Van Der Waals Gas
- CGandC
- · Replies 6 ·
Show that the line state is separable
- maxi123
- · Replies 1 ·
Magnetic field of a rotating cylinder with permanent polarization
- astrocytosis
- · Replies 4 ·
Do commuting operators share eigenvectors and basis?
- Diracobama2181
- · Replies 2 ·
Potential and E field for a non homogeneous charge Density
- Diracobama2181
- · Replies 1 ·
How to show that ##f_i(q_i, p_i)## is constant
- JD_PM
- · Replies 6 ·
Searching for Raman Prism: Is It Real?
- Nirmal Padwal
- · Replies 3 ·
Problem 7.7 and its solution from A Quantum Approach to Condensed Matter
- MathematicalPhysicist
- · Replies 3 ·
Counting quantum states in phase space: why do I get 0.27 instead of an integer?
- Saptarshi Sarkar
- · Replies 12 ·
Deriving commutator of operators in Lorentz algebra
- YSM
- · Replies 1 ·
A problem in solving Schrodinger equation for hydrogen
- patric44
- · Replies 1 ·
Man walking on a rotating merry-go-round
- JD_PM
- · Replies 16 ·
Primary calculation involving the Dirac gama matrices
- YSM
- · Replies 3 ·