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Differential equation I can't solve
- Irid
- · Replies 1 ·
What Minimum Deceleration is Needed to Stay Within Speed Limit?
- misshobo
- · Replies 3 ·
How Does String Mass Affect the Motion of Two Connected Blocks?
- Mindscrape
- · Replies 1 ·
How Does Ryder's QFT Text Handle Complex Gaussian Integrals on Page 168?
- Jimmy Snyder
- · Replies 7 ·
Commutation Relations and Unitary Operators
- abode_x
- · Replies 2 ·
Help with Brownian dynamics presentation
- germana2006
- · Replies 1 ·
QM - Eigenfunction / Eigenvalue Problem
- danny271828
- · Replies 2 ·
Solving for Vector u in Terms of Vector η
- ehrenfest
- · Replies 7 ·
Understanding and Proving the Antisymmetry of the Electromagnetic Field Tensor
- ehrenfest
- · Replies 12 ·
Thermofluids U tube manometer wind tunnel question
- P111ltl
- · Replies 9 ·
How is the Z_2 Identification Defined on the Circle?
- ehrenfest
- · Replies 10 ·
How to Approach Lightlike Compactification Problem 5?
- ehrenfest
- · Replies 18 ·
How do partial derivatives transform under Lorentz boosts?
- ehrenfest
- · Replies 15 ·
Unitary Operators and Lorentz Transformations
- abode_x
- · Replies 5 ·
What Are the Possible Measurements of the X-Component of Angular Momentum?
- noospace
- · Replies 5 ·
Proving the Hermitian Conjugate Property of Operators
- buraqenigma
- · Replies 6 ·
Playing Catch: Solving the Spacelike Communication Challenge
- ehrenfest
- · Replies 6 ·
Invariancy of H(x,p) to translation and conservation of momentum
- Ene Dene
- · Replies 6 ·
Why must m be an integer in cylindrical Helmholtz equation?
- n0_3sc
- · Replies 4 ·
How to Account for Rotational Motion in a Pulley Problem?
- danny271828
- · Replies 2 ·
Wave function of a stationary particle and expectation value operators
- neelakash
- · Replies 1 ·
Can Faster-Than-Light Travel Allow You to Return Before You Set Out?
- ehrenfest
- · Replies 5 ·
Remote Sensing: Detecting Objects on Earth
- Huma waseem
- · Replies 3 ·
Finding Reference Frame for Spacelike Interval
- ehrenfest
- · Replies 10 ·
Why do the order of Lorentz transformations matter?
- ehrenfest
- · Replies 4 ·
Why Does Ryder Use a 2π Factor in Equation 4.4 of QFT?
- Jimmy Snyder
- · Replies 2 ·
Solving 1D Schrodinger Eq. for Energies < V0
- diegoarmando
- · Replies 13 ·
Lippmann schwinger Equation, derivation
- malawi_glenn
- · Replies 2 ·
What is the Magnetic Field of a Cylindrical Shell with Constant Magnetization?
- TheDestroyer
- · Replies 1 ·
Einstein velocity addition rule
- ehrenfest
- · Replies 3 ·
What is the Band Gap for a GaAsP Semiconductor LED Emitting Red Light?
- diegoarmando
- · Replies 1 ·
Understand Eta Particle Decay into 3 Pions
- eendavid
- · Replies 1 ·
Precession in a central potential
- noospace
- · Replies 3 ·
Simplifying the dipolar coupling Hamiltonian
- ehrenfest
- · Replies 1 ·
Three principles underlying Boltzmann's law
- benedwards2020
- · Replies 2 ·
Is My Intuition About Event Timing on a Moving Airplane Wrong?
- ehrenfest
- · Replies 2 ·
Deducing Formula from Lorentz Transformation Matrix
- unica
- · Replies 9 ·
What is the velocity of car 2 when car 1 is going 1/2 the speed of light?
- ehrenfest
- · Replies 7 ·
Time dilation rocket ship speed problem
- ehrenfest
- · Replies 6 ·
Muon travelling faster than the speed of light
- ehrenfest
- · Replies 11 ·
Is the Position and Momentum Operator Proof Correct?
- Ene Dene
- · Replies 4 ·
Is the Math Behind Quantum Mechanics Misrepresented?
- plmokn2
- · Replies 3 ·
How to derive sterman-weinberg formula
- cosmology
- · Replies 1 ·
What Causes the Short Lifetime of Neutral Pions in Strong Interactions?
- noospace
- · Replies 3 ·
Why Must Ladder Operators Have Specific Forms in Quantum Mechanics?
- nklohit
- · Replies 4 ·
Transmission over a finite square well
- T-7
- · Replies 1 ·
Thermodynamics question from Callen
- Ionophore
- · Replies 23 ·
When is Indistinguishability Neglected in Atom Sample Calculations?
- benedwards2020
- · Replies 1 ·
Is My Calculation for Film Thickness Using Interference Method Accurate?
- tan-X1
- · Replies 4 ·
Expanding commutator products from Ryder QFT page 57
- Jimmy Snyder
- · Replies 28 ·
What Are the Normalized Eigenfunctions for a Rigid Rotator?
- genloz
- · Replies 3 ·
Evaluating a flux double integral out of a cube
- squiggles0
- · Replies 8 ·
Ryder, QFT 2nd Ed. Page 47, eqn (1.122)
- Jimmy Snyder
- · Replies 3 ·
What does covariance mean in special relativity?
- ehrenfest
- · Replies 2 ·
What are the allowed states when coupling 3 identical bosons?
- malawi_glenn
- · Replies 2 ·
Finite Well: Measuring Bound Particles w/ E > 0?
- ehrenfest
- · Replies 1 ·
How Are Completeness Relations and Green's Functions Related?
- ehrenfest
- · Replies 3 ·
Finding the Time Period of a Double Pendulum
- bk2001050
- · Replies 1 ·
What Is the Significance of 'n' in the Solutions of the Quantum SHO?
- ehrenfest
- · Replies 2 ·
Peskin Schroeder: How to Derive Sin^2 Using Compton Relation?
- Sombrero
- · Replies 1 ·
Solving Twin Delta Potential: Deriving Hyperbolic Cosine Function
- ehrenfest
- · Replies 6 ·
Why does p̂²/2m acting on ψ(x) give p²/2m in momentum space?
- ehrenfest
- · Replies 14 ·
How Does Changing Coordinates Affect the Momentum Space Wavefunction?
- ehrenfest
- · Replies 4 ·
Why does the singular potential solution reduce to a single coefficient?
- ehrenfest
- · Replies 4 ·
Orthogonality of momentum space wavefunctions
- ehrenfest
- · Replies 3 ·
How to Derive the Pressure-Volume Relationship in Thermodynamics?
- dimensionless
- · Replies 3 ·
Is there a Doppler shift if source and observer move together at the same velocity?
- ttp88
- · Replies 12 ·
Normalizing a superposition state of S eigenvalues
- benedwards2020
- · Replies 20 ·
Calculating Momentum Eigenstates of Spin in the Y Direction
- PsiPhi
- · Replies 4 ·
First Area Moment and Centroidal Co-ordinates
- app
- · Replies 3 ·
Thanks,Measuring Electron Wavefunction: Effects?
- Smacal1072
- · Replies 1 ·
Eigenvalues of the Dirac equation (Ryder QFT 2.94)
- Jimmy Snyder
- · Replies 5 ·
Expanding Wavefunction in Infinite Well: Fourier Analysis
- ehrenfest
- · Replies 1 ·
Vibrational modes of (NO)2+ and what they reveal about geometry
- physgirl
- · Replies 1 ·
Solving Vacuum Energy Problem: e-iHT=-1, 1/2ω, Fill Negative States
- island
- · Replies 5 ·
Differential equation, quantum physics
- _Andreas
- · Replies 8 ·
Can the Bullet's Gamma Factor Exceed This Limit in Relativistic Collisions?
- MathematicalPhysicist
- · Replies 6 ·
Difference in Sign for 6.4 Equation
- touqra
- · Replies 1 ·
Why does the propagator at t=0 give a Dirac delta instead of Kronecker delta?
- ehrenfest
- · Replies 3 ·
How Fast Do Spaceships Appear to Each Other at 0.99c Relative Speed?
- MathematicalPhysicist
- · Replies 2 ·
Calculate the RMSD for the odd solutions
- ehrenfest
- · Replies 8 ·
What Is the Angle Between Photon Momentum and Initial Motion in Pi Meson Decay?
- MathematicalPhysicist
- · Replies 4 ·
Dimensionless form of the time-independent Schrodinger equation
- ehrenfest
- · Replies 10 ·
Evaluate the ground state energy using the variational method
- Urvabara
- · Replies 3 ·
What are the units of the probability flux j?
- ehrenfest
- · Replies 11 ·
Energy eigenvalues and momentum distributions
- ehrenfest
- · Replies 10 ·
Why does the Klein-Gordon equation mix vector and scalar operators?
- ehrenfest
- · Replies 14 ·
Find Expectation Value of x for \psi(x,t)
- ehrenfest
- · Replies 2 ·
Capillary Action: Physically Possible Forms
- khuysent
- · Replies 3 ·
Electron Inside the Nucleus on Helium Atoms Problem
- Xeniebop
- · Replies 1 ·
Verifying $\gamma = \frac{E}{m}$ in QFT
- Jimmy Snyder
- · Replies 4 ·
What is a longitudinally-polarized boson?
- touqra
- · Replies 5 ·
Finding angles and reflection points for refraction and reflection
- Guna82m
- · Replies 3 ·
What are the Two Methods for Calculating the Center of Mass of a Semi-Circle?
- alfredska
- · Replies 8 ·
Is Newton's Third Law Always Obeyed?
- Fusina
- · Replies 9 ·
Is equation 2.180 an example of equation 2.179 in Ryder's QFT?
- Jimmy Snyder
- · Replies 6 ·
Calculate the final temperature and volume
- kingyof2thejring
- · Replies 4 ·
Expectation value for Hydrogen radius
- physgirl
- · Replies 10 ·
EM wave propagation in rectangular glass waveguide with n=1.47
- NotGreatAtPhys
- · Replies 8 ·