Advanced Physics Homework Help Forum

Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.

Threads

Replies
1

Symmetric rank-2 tensor, relabelling of indices? (4-vectors)

  • rwooduk
  • · Replies 4 ·
Replies
4

How Do Time-Dependent Hamiltonians Influence Quantum States?

  • rustyrusty
  • · Replies 27 ·
Replies
27

Setting up the Crank-Nicolson method for heat diffusion

  • Rapier
  • · Replies 5 ·
Replies
5

E+e- collison Resonance peaks cross-section partial widths

  • binbagsss
  • · Replies 10 ·
Replies
10

Calculating Particle Decay Mass and Velocity

  • Chris T
  • · Replies 1 ·
Replies
1

Muon Speed Calculation After Photon Collision

  • J_M_R
  • · Replies 1 ·
Replies
1

Finding Constants to Solution Given 2nd Order, Nonlinear DE

  • rakeru
  • · Replies 9 ·
Replies
9

The average density of halo of non-baryonic dark matter?

  • LavaLynne
  • · Replies 11 ·
Replies
11

Four Tensor Derivatives -- EM Field Lagrangian Density

  • teroenza
  • · Replies 16 ·
Replies
16

Time Dependent Wavefunction in Infinite Square Well

  • wigglywinks
  • · Replies 8 ·
Replies
8

A problem with Integration by Parts in Hartle's "Gravity"

  • Abtinnn
  • · Replies 4 ·
Replies
4

Falling body where acceleration is not constant

  • barryj
  • · Replies 12 ·
Replies
12

Find the transition probability

  • tgr042
  • · Replies 3 ·
Replies
3

Electrostatic Problem at point on a conical surface

  • roam
  • · Replies 5 ·
Replies
5

Expectation value of a combination of operators

  • dyn
  • · Replies 2 ·
Replies
2

Electron impact ionization cross section

  • gothloli
  • · Replies 6 ·
Replies
6

Transition probability from two states

  • CAF123
  • · Replies 3 ·
Replies
3

Branching ratios and decay rates for EM-only processes

  • unscientific
  • · Replies 19 ·
Replies
19

Orthogonality of Associated Laguerre Polynomial

  • Muh. Fauzi M.
  • · Replies 5 ·
Replies
5

Optics question with radius of curvature

  • jack hunter
  • · Replies 1 ·
Replies
1

Elastic scattering of WIMPs off nuclei

  • maximus123
  • · Replies 2 ·
Replies
2

Lorentz momentum: A proton of mass m is accelerated up

  • squelch
  • · Replies 1 ·
Replies
1

Sketch the wave, showing both x < 0 and x > 0.

  • aryan
  • · Replies 3 ·
Replies
3

What function should I fit to this data?

  • gothloli
  • · Replies 4 ·
Replies
4

Finding the angular resolution of a telescope

  • Kieran12
  • · Replies 1 ·
Replies
1

Getting Planck's Law in terms of frequency from wavelength

  • Kavorka
  • · Replies 8 ·
Replies
8

Cartesian to polar unit vectors + Linear Combination

  • Christina909
  • · Replies 5 ·
Replies
5

Spin Time Development: Solving for Initial State in B-Field | Homework Help

  • Lawrencel2
  • · Replies 6 ·
Replies
6

How can I solve for a vector in a tensor equation involving dot products?

  • zephyr5050
  • · Replies 1 ·
Replies
1

Infinitely long cylindrical shell (magnetic field at centre)

  • Alex_Neof
  • · Replies 1 ·
Replies
1

Lotka-Volterra model Euler's Method

  • Robben
  • · Replies 11 ·
Replies
11
Replies
1

Time Evolution for particle with potential suddenly removed

  • Xyius
  • · Replies 1 ·
Replies
1

Potential from a charge moving at constant velocity

  • MisterX
  • · Replies 1 ·
Replies
1

Why Is the Cross Section for e- + e+ -> γ Zero?

  • jennyjones
  • · Replies 1 ·
Replies
1

Principle of corresponding states

  • decerto
  • · Replies 4 ·
Replies
4

Equation of Motion for pendulum suspended from a spring

  • stigg
  • · Replies 1 ·
Replies
1

Radiated power of electron in fusion device?

  • 1a2
  • · Replies 1 ·
Replies
1

The Cooper pair box Hamiltonian in the matrix form

  • maximus123
  • · Replies 1 ·
Replies
1

How does the Z boson obtain its mass of 90 GeV?

  • unscientific
  • · Replies 5 ·
Replies
5

Developing mathematical tools for a homework problem

  • mjordan2nd
  • · Replies 2 ·
Replies
2

Numerical Integration for Magnetic Field of a Loop of Wire

  • Rapier
  • · Replies 13 ·
Replies
13

What Are the Cartesian Coordinates of a Rotating Pendulum?

  • Kulkid
  • · Replies 1 ·
Replies
1

Vertical Spring Forced Pendulum (Lagrange equations)

  • Sefrez
  • · Replies 9 ·
Replies
9

Specific Heat at constant pressure for photon gas

  • sy7kenny
  • · Replies 1 ·
Replies
1

How Do Magnetic Planes Influence Current Density in Conductive Materials?

  • carllacan
  • · Replies 3 ·
Replies
3

Derivatives of the Lagrangian in curved space

  • rocawear4321
  • · Replies 2 ·
Replies
2

Calc Nuclear Cross Section for Alpha Particles Reacting with 48-Ca

  • Matt atkinson
  • · Replies 5 ·
Replies
5

Solving Griffiths' Electrodynamics Ex. 10.2

  • LuxAurum
  • · Replies 3 ·
Replies
3

The spectrum of the blue part in a candle flame

  • Kamakiri
  • · Replies 3 ·
Replies
3

Relating volume expansivity to density partial derivatives

  • Mia_S
  • · Replies 7 ·
Replies
7

Scattering Cross Section - At high energies

  • unscientific
  • · Replies 14 ·
Replies
14
Replies
1

Kinetic Energy Time Derivative

  • cooev769
  • · Replies 3 ·
Replies
3

Stern Gerlach Spin 3/2, Quantum Mechanics

  • Tphysics
  • · Replies 1 ·
Replies
1

Parallel electrodes (space charge density, current density)

  • deedsy
  • · Replies 13 ·
Replies
13

Classical Mechanics - Energy+Circular Motion problem

  • abc5dasar
  • · Replies 1 ·
Replies
1

How to prove some functions are scalar field or vector field

  • Flotensia
  • · Replies 2 ·
Replies
2

Proving Commutation Relation in Poincaré Transformation

  • Petraa
  • · Replies 7 ·
Replies
7

Yukawa potential and the Klein Gordon

  • unscientific
  • · Replies 1 ·
Replies
1

Quantum Mechanics, time independant solution in Dirac notati

  • Ben Whelan
  • · Replies 1 ·
Replies
1

Angular momentum in gravitational field

  • Flotensia
  • · Replies 1 ·
Replies
1

Probability of observing E for particle in a box

  • gfd43tg
  • · Replies 12 ·
Replies
12

Motion on a ring. Quantum mechanics.

  • LagrangeEuler
  • · Replies 7 ·
Replies
7

How Is Shell Structure Evidenced in Atomic Nuclei?

  • unscientific
  • · Replies 2 ·
Replies
2

Silicon component SEU threshold with oxygen ion irradiation

  • Firben
  • · Replies 3 ·
Replies
3

Expressing velocity in polar unit vectors for parametric motion

  • bilal98732
  • · Replies 1 ·
Replies
1

How to Prove \(R^a_{[bcd]} = 0\) Using the Ricci Identity?

  • CAF123
  • · Replies 2 ·
Replies
2

Integral Over all Space for Charge Density - Exponential Fun

  • KleZMeR
  • · Replies 3 ·
Replies
3

Energy radiated by a parallel plate capacitor

  • AlexCdeP
  • · Replies 3 ·
Replies
3

Anguluar momentum Commutation Identity

  • decerto
  • · Replies 9 ·
Replies
9

Why is Wavefunction Normalization on a Ring Done Using dPhi?

  • M-Speezy
  • · Replies 1 ·
Replies
1

(Solid State) low resistivity dependance on temperature

  • SMC
  • · Replies 2 ·
Replies
2

Electric flux through a disk with point charge

  • roam
  • · Replies 10 ·
Replies
10

What does this mathematical expression mean physically?

  • ieatsk8boards
  • · Replies 1 ·
Replies
1

Root Plotting 2d-Array in Histogram

  • Rapier
  • · Replies 3 ·
Replies
3
Replies
3

Acceleration of electron due to finite sheet at voltage

  • AlexCdeP
  • · Replies 4 ·
Replies
4

Lagrangian of a 2 mass rotating rod

  • Physkid12
  • · Replies 10 ·
Replies
10

Why Is Krypton the Product in This Nuclear Reaction?

  • Hooly
  • · Replies 5 ·
Replies
5

Is the Feynman diagram in The Big Bang Theory episode correct?

  • Basip
  • · Replies 2 ·
Replies
2

Can total angular momentum j be negative?

  • skate_nerd
  • · Replies 4 ·
Replies
4

Radial Eigenfunction; Differential Equation

  • Paradox101
  • · Replies 4 ·
Replies
4

Motion of a particle in a frictionless cone (C.M.)

  • Physics_Enjay
  • · Replies 17 ·
Replies
17

How to Calculate Induced Tension in a Magnetic Field?

  • Basip
  • · Replies 5 ·
Replies
5

Finite T transverse magnetization of transverse Ising chain

  • poiuyt
  • · Replies 1 ·
Replies
1

Decompose wave packet into eigenvalues of L2, Lz and k

  • diegzumillo
  • · Replies 8 ·
Replies
8

Projectile on Inclined Plane: Finding Angle of Inclination

  • jal3ous
  • · Replies 2 ·
Replies
2

Calculate the eigenfunctions for a spin half particle

  • borndisaster
  • · Replies 3 ·
Replies
3

Force on a point charge due to a sphere

  • andre220
  • · Replies 5 ·
Replies
5

Particle collision problem (accelerator experiment)

  • leonmate
  • · Replies 8 ·
Replies
8

QM: Work done due a time dependent perturbation

  • Wavefunction
  • · Replies 1 ·
Replies
1
Replies
5

Maxwell's Equations in 4-D Space

  • B3NR4Y
  • · Replies 3 ·
Replies
3

What Are the Canonical Commutation Relations for r and p Components?

  • Armani
  • · Replies 1 ·
Replies
1

Electric Dipole Radiation from a Spinning Current Loop

  • khfrekek92
  • · Replies 1 ·
Replies
1

Solving EM Wave Questions: Polarization, Direction, Phase Velocity, Amplitude

  • AwesomeTrains
  • · Replies 2 ·
Replies
2

Potential anywhere inside a cube

  • andre220
  • · Replies 3 ·
Replies
3

Degrees of Freedom for a Lagrangian System

  • Physkid12
  • · Replies 2 ·
Replies
2