Advanced Physics Homework Help Forum

Post thread
Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.
Lorentz Transforms: Components, Partial Derivatives - Zwiebach 36
  • · Replies 15 ·
Replies
15
Views
4K
Unitary Operators and Lorentz Transformations
  • · Replies 5 ·
Replies
5
Views
6K
What Are the Possible Measurements of the X-Component of Angular Momentum?
  • · Replies 5 ·
Replies
5
Views
3K
Proving the Hermitian Conjugate Property of Operators
  • · Replies 6 ·
Replies
6
Views
3K
Playing Catch: Solving the Spacelike Communication Challenge
  • · Replies 6 ·
Replies
6
Views
3K
Invariancy of H(x,p) to translation and conservation of momentum
  • · Replies 6 ·
Replies
6
Views
4K
Circular waveguide wave-equation
  • · Replies 4 ·
Replies
4
Views
8K
How to Account for Rotational Motion in a Pulley Problem?
  • · Replies 2 ·
Replies
2
Views
2K
Quantum Mechanics: Questions on Stationary Particles & Wave Function
  • · Replies 1 ·
Replies
1
Views
2K
Can Faster-Than-Light Travel Allow You to Return Before You Set Out?
  • · Replies 5 ·
Replies
5
Views
2K
Remote Sensing: Detecting Objects on Earth
  • · Replies 3 ·
Replies
3
Views
3K
Finding Reference Frame for Spacelike Interval
  • · Replies 10 ·
Replies
10
Views
7K
Why do the order of Lorentz transformations matter?
  • · Replies 4 ·
Replies
4
Views
3K
Why Does Ryder Use a 2π Factor in Equation 4.4 of QFT?
  • · Replies 2 ·
Replies
2
Views
2K
Solving 1D Schrodinger Eq. for Energies < V0
  • · Replies 13 ·
Replies
13
Views
3K
Lippmann schwinger Equation, derivation
  • · Replies 2 ·
Replies
2
Views
8K
What is the Magnetic Field of a Cylindrical Shell with Constant Magnetization?
  • · Replies 1 ·
Replies
1
Views
4K
Einstein velocity addition rule
  • · Replies 3 ·
Replies
3
Views
6K
What is the Band Gap for a GaAsP Semiconductor LED Emitting Red Light?
  • · Replies 1 ·
Replies
1
Views
9K
Understand Eta Particle Decay into 3 Pions
  • · Replies 1 ·
Replies
1
Views
5K
Precession in a central potential
  • · Replies 3 ·
Replies
3
Views
2K
How is the Dipolar Coupling Hamiltonian Simplified?
  • · Replies 1 ·
Replies
1
Views
5K
Unraveling the Principles of Boltzmann's Law
  • · Replies 2 ·
Replies
2
Views
4K
Is My Intuition About Event Timing on a Moving Airplane Wrong?
  • · Replies 2 ·
Replies
2
Views
3K
Deducing Formula from Lorentz Transformation Matrix
  • · Replies 9 ·
Replies
9
Views
9K
What is the velocity of car 2 when car 1 is going 1/2 the speed of light?
  • · Replies 7 ·
Replies
7
Views
3K
Time dilation rocket ship speed problem
  • · Replies 6 ·
Replies
6
Views
10K
Muon travelling faster than the speed of light
  • · Replies 11 ·
Replies
11
Views
8K
Is the Position and Momentum Operator Proof Correct?
  • · Replies 4 ·
Replies
4
Views
56K
Is the Math Behind Quantum Mechanics Misrepresented?
  • · Replies 3 ·
Replies
3
Views
3K
How to derive sterman-weinberg formula
  • · Replies 1 ·
Replies
1
Views
3K
What Causes the Short Lifetime of Neutral Pions in Strong Interactions?
  • · Replies 3 ·
Replies
3
Views
8K
Why Must Ladder Operators Have Specific Forms in Quantum Mechanics?
  • · Replies 4 ·
Replies
4
Views
5K
Transmission over a finite square well
  • · Replies 1 ·
Replies
1
Views
6K
Thermodynamics question from Callen
  • · Replies 23 ·
Replies
23
Views
9K
When is Indistinguishability Neglected in Atom Sample Calculations?
  • · Replies 1 ·
Replies
1
Views
2K
Is My Calculation for Film Thickness Using Interference Method Accurate?
  • · Replies 4 ·
Replies
4
Views
3K
Ryder QFT Page 57 Homework: Solving Equation
  • · Replies 28 ·
Replies
28
Views
6K
What Are the Normalized Eigenfunctions for a Rigid Rotator?
  • · Replies 3 ·
Replies
3
Views
10K
Troubleshooting Flux Out of a Cube: Evaluating a Double Integral
  • · Replies 8 ·
Replies
8
Views
3K
Ryder, QFT 2nd Ed. Page 47, eqn (1.122)
  • · Replies 3 ·
Replies
3
Views
2K
Understanding Covariance in Special Relativity & Lorentz Transformations
  • · Replies 2 ·
Replies
2
Views
2K
What are the allowed states when coupling 3 identical bosons?
  • · Replies 2 ·
Replies
2
Views
3K
Finite Well: Measuring Bound Particles w/ E > 0?
  • · Replies 1 ·
Replies
1
Views
2K
How Are Completeness Relations and Green's Functions Related?
  • · Replies 3 ·
Replies
3
Views
6K
Finding the Time Period of a Double Pendulum
  • · Replies 1 ·
Replies
1
Views
2K
What Is the Significance of 'n' in the Solutions of the Quantum SHO?
  • · Replies 2 ·
Replies
2
Views
2K
Peskin Schroeder: How to Derive Sin^2 Using Compton Relation?
  • · Replies 1 ·
Replies
1
Views
4K
Solving Twin Delta Potential: Deriving Hyperbolic Cosine Function
  • · Replies 6 ·
Replies
6
Views
2K
Momentum Conversion: Why p-hat^2/2m = p^2/2m?
  • · Replies 14 ·
Replies
14
Views
9K
How Does Changing Coordinates Affect the Momentum Space Wavefunction?
  • · Replies 4 ·
Replies
4
Views
3K
Why does the singular potential solution reduce to a single coefficient?
  • · Replies 4 ·
Replies
4
Views
3K
Orthogonality of momentum space wavefunctions
  • · Replies 3 ·
Replies
3
Views
2K
How to Derive the Pressure-Volume Relationship in Thermodynamics?
  • · Replies 3 ·
Replies
3
Views
2K
Doppler Shift: Same Direction, Same Velocity?
  • · Replies 12 ·
Replies
12
Views
7K
Normalization Factor Homework: Calculating N and Measuring S Eigenvalues
  • · Replies 20 ·
Replies
20
Views
12K
Calculating Momentum Eigenstates of Spin in the Y Direction
  • · Replies 4 ·
Replies
4
Views
3K
First Area Moment and Centroidal Co-ordinates
  • · Replies 3 ·
Replies
3
Views
11K
Thanks,Measuring Electron Wavefunction: Effects?
  • · Replies 1 ·
Replies
1
Views
3K
Solve for Eigenvalues in QFT using Matrix Algebra | Ryder's QFT p.44
  • · Replies 5 ·
Replies
5
Views
4K
Expanding Wavefunction in Infinite Well: Fourier Analysis
  • · Replies 1 ·
Replies
1
Views
3K
What Does the Vibrational Mode Analysis Reveal About the Geometry of (NO)2+?
  • · Replies 1 ·
Replies
1
Views
5K
Solving Vacuum Energy Problem: e-iHT=-1, 1/2ω, Fill Negative States
  • · Replies 5 ·
Replies
5
Views
2K
Differential equation, quantum physics
  • · Replies 8 ·
Replies
8
Views
3K
Can the Bullet's Gamma Factor Exceed This Limit in Relativistic Collisions?
  • · Replies 6 ·
Replies
6
Views
3K
Difference in Sign for 6.4 Equation
  • · Replies 1 ·
Replies
1
Views
2K
Propagator Equation at t=0 Explained
  • · Replies 3 ·
Replies
3
Views
3K
How Fast Do Spaceships Appear to Each Other at 0.99c Relative Speed?
  • · Replies 2 ·
Replies
2
Views
7K
Calculate the RMSD for the odd solutions
  • · Replies 8 ·
Replies
8
Views
3K
What Is the Angle Between Photon Momentum and Initial Motion in Pi Meson Decay?
  • · Replies 4 ·
Replies
4
Views
4K
Dimensionless form of the time-independent Schrodinger equation
  • · Replies 10 ·
Replies
10
Views
13K
Evaluate the ground state energy using the variational method
  • · Replies 3 ·
Replies
3
Views
3K
What are the units of the probability flux j?
  • · Replies 11 ·
Replies
11
Views
3K
Energy eigenvalues and momentum distributions
  • · Replies 10 ·
Replies
10
Views
3K
Klein-Gordon Equation: Understanding Scalar & Vector
  • · Replies 14 ·
Replies
14
Views
5K
Find Expectation Value of x for \psi(x,t)
  • · Replies 2 ·
Replies
2
Views
3K
Capillary Action: Physically Possible Forms
  • · Replies 3 ·
Replies
3
Views
7K
Electron Inside the Nucleus on Helium Atoms Problem
  • · Replies 1 ·
Replies
1
Views
9K
Verifying $\gamma = \frac{E}{m}$ in QFT
  • · Replies 4 ·
Replies
4
Views
2K
What is a longitudinally-polarized boson?
  • · Replies 5 ·
Replies
5
Views
4K
Finding Angles and Reflection Points: Can You Help Me Solve This Problem?
  • · Replies 3 ·
Replies
3
Views
2K
What are the Two Methods for Calculating the Center of Mass of a Semi-Circle?
  • · Replies 8 ·
Replies
8
Views
30K
Is Newton's Third Law Always Obeyed?
  • · Replies 9 ·
Replies
9
Views
22K
Is equation 2.180 an example of equation 2.179 in Ryder's QFT?
  • · Replies 6 ·
Replies
6
Views
3K
Calculate the final temperature and volume
  • · Replies 4 ·
Replies
4
Views
3K
Expectation value for Hydrogen radius
  • · Replies 10 ·
Replies
10
Views
12K
Rectangular Optical Wavguide - EM Wave
  • · Replies 8 ·
Replies
8
Views
3K
Understanding Feynman Diagrams: A Beginner's Guide
  • · Replies 8 ·
Replies
8
Views
3K
What Is the Normalization Constant for a 2-Electron Antisymmetric Spin Function?
  • · Replies 5 ·
Replies
5
Views
14K
Calculate Size of Radius for Muonic Atom in Lithium-7
  • · Replies 9 ·
Replies
9
Views
7K
Solving Simple Matrix Algebra Homework Problem
  • · Replies 6 ·
Replies
6
Views
3K
Fermi Question - quantum tunnelling of a person
  • · Replies 3 ·
Replies
3
Views
3K
Modeling Soccer Ball Flight Path with Drag and Magnus Forces | Extended Essay"
  • · Replies 1 ·
Replies
1
Views
2K
Normalization of a wave function question
  • · Replies 7 ·
Replies
7
Views
11K
Identical Particles in Harmonic Potential: Hamiltonian & Ground State
  • · Replies 9 ·
Replies
9
Views
5K
Is the Hamiltonian with a Complex Potential Hermitian?
  • · Replies 11 ·
Replies
11
Views
5K
Solution to the Schrodinger Equation
  • · Replies 4 ·
Replies
4
Views
12K
Using Creation and Annihilation Operators in a Fermionic 2-State System
  • · Replies 11 ·
Replies
11
Views
3K
Understanding Probability Density Equation & Example
  • · Replies 1 ·
Replies
1
Views
2K
How to Show a Bound Energy State for V(x) = -aV_0δ(x)?
  • · Replies 14 ·
Replies
14
Views
6K