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

How Do You Convert a Density Operator to Matrix Form?

  • PatsyTy
  • · Replies 4 ·
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4

Particle moving inside an inverted cone - Lagrangian

  • bigguccisosa
  • · Replies 4 ·
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4

Isotropic material fitted by Ornstein-Zernike form

  • alan
  • · Replies 1 ·
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1
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6

Range in solid surface for liquid-liquid phase separation

  • alan
  • · Replies 1 ·
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1

Temperature and volume fraction of a liquid mixture

  • alan
  • · Replies 1 ·
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1

Alpha collision with unknown nucleus

  • Purple Baron
  • · Replies 15 ·
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15

Finding general expression for probability current.

  • David Silva
  • · Replies 4 ·
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4

Help finding the vibrational frequencies and normal modes

  • 1v1Dota2RightMeow
  • · Replies 11 ·
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11

Thermodynamics: Gradient of Adiabat in PV diagram

  • nobosity
  • · Replies 9 ·
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9

Derive approximate expression by regular solution theory

  • alan
  • · Replies 1 ·
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1

How to interpret the infinity of Hilbert Space?

  • Archeon
  • · Replies 1 ·
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1

Average energy of a damped driven oscillator

  • Bestphysics112
  • · Replies 1 ·
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1

QM: The time evolution of a Gaussian wave function

  • DiracNotationKillsMe
  • · Replies 5 ·
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5

Charge density in an abrupt p-n junction

  • lampCable
  • · Replies 1 ·
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1

Deriving Relations for Specific Heats and Susceptibilities of Magnets

  • MathematicalPhysicist
  • · Replies 1 ·
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1

Using perturbation to calculate first order correction

  • Leechie
  • · Replies 2 ·
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2

Calculate Comoving distance as a function of parameters

  • QFT25
  • · Replies 1 ·
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1

Conserving Momentum & Energy in Particle A Decay

  • Alpha&Omega
  • · Replies 1 ·
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1

Calculating potential energy of hydrogen atom

  • Leechie
  • · Replies 4 ·
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4
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6

Compatibility Thm HW: Can We Find More Orthon Eigenstates?

  • davon806
  • · Replies 1 ·
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1

Need help finding fermion energies and probabilities

  • L52892
  • · Replies 3 ·
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3

Integrated track length in electromagnetic shower

  • vbrasic
  • · Replies 1 ·
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1

Electromagnetic shower energy spectrum

  • vbrasic
  • · Replies 1 ·
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1

Explanation for integration of Dr/Dt

  • harmyder
  • · Replies 1 ·
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1

How do I use this equation? Estimating half-life of a decay

  • llatosz
  • · Replies 12 ·
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12

Conserved quantities in the Korteweg-de Vries equation

  • Emil_M
  • · Replies 3 ·
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3

Covariant Derivative Homework: Solve ∇_c ({∂}_b X^a)

  • MattRob
  • · Replies 2 ·
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2

Identical particles and separating the Schrodinger equation

  • mangojuice14
  • · Replies 6 ·
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6

Schutz GR Book, Question about World line.

  • Lou Arnold
  • · Replies 2 ·
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2

How Can I Apply Thermodynamic Principles to Solve Homework Equations?

  • B30W01F
  • · Replies 1 ·
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1
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1

Proving Minimization of Helmholtz Free Energy at Equilibrium

  • Silviu
  • · Replies 1 ·
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1

Time-Dependent Perturbation of a 1D Infinite Square Well

  • acdurbin953
  • · Replies 2 ·
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2

How Many Beams Are Hydrogen Atoms Deflected Into in a Magnetic Field?

  • Silviu
  • · Replies 12 ·
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12

Finding the Group Velocity for Shallow Water Wave

  • James Brady
  • · Replies 2 ·
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2

Triple delta potential probability of state transition

  • OMG_Physics
  • · Replies 2 ·
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2

Linear perturbation to harmonic oscillator

  • vbrasic
  • · Replies 3 ·
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3

Expressing surface charge density as volume charge density

  • Mictlantecuhtli
  • · Replies 5 ·
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5

Find electric potential of field inside and outside nucleus

  • vbrasic
  • · Replies 3 ·
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3

Anharmonic oscillator first-order correction to energy

  • vbrasic
  • · Replies 3 ·
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3

I'm stuck on solving a linear quadrupole problem

  • BREAD
  • · Replies 1 ·
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1
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1

Problem Related to Beat Frequency of a hollow tube

  • digitomega
  • · Replies 7 ·
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7

K X-Ray Production in PIXE: 2 MeV vs. 4 MeV

  • Silviu
  • · Replies 3 ·
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3

Potential of dielectric cylinder with constant polarization

  • eckerm
  • · Replies 1 ·
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1

Infinite square well doubled with time

  • Bananen
  • · Replies 5 ·
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5

GRE question: oscilloscope with two oscillators

  • Silviu
  • · Replies 3 ·
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3

Electric field due to charged plates moving through a plasma

  • timelessmidgen
  • · Replies 1 ·
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1

Time Evolution After Sudden Potential Change

  • BOAS
  • · Replies 1 ·
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1

Commutation relation using Levi-Civita symbol

  • davon806
  • · Replies 5 ·
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5

How to work out thermal diffusivity using Angstrom's method?

  • charlie mallet
  • · Replies 12 ·
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12

Analysing short period oscillations of an aircraft

  • MattH150197
  • · Replies 1 ·
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1

Induced surface charge density

  • Silviu
  • · Replies 2 ·
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2

Given operator, show the Hamiltonian

  • spacetimedude
  • · Replies 12 ·
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12
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2

Changing magnetic field (magnetic mirror)

  • Kara386
  • · Replies 2 ·
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2

Why are unperturbed states valid basis for perturbed system?

  • bananabandana
  • · Replies 4 ·
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4

Defining magnetic interaction between charged particles

  • hotram
  • · Replies 1 ·
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1

Potential Difference & Force on Electrostatic Sphere

  • Silviu
  • · Replies 1 ·
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1

Potential around charged infinite cylinder in E field

  • eckerm
  • · Replies 3 ·
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3

Timing Resolution Required In Particle Detector

  • BOAS
  • · Replies 1 ·
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1

Energy fluctuations in canonical ensemble

  • lampCable
  • · Replies 5 ·
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5

Calculate total energy surface tension

  • member 428835
  • · Replies 2 ·
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2

Finding r(ϕ) from r(t) and ϕ(t) to plot Newtonian orbits

  • Poirot
  • · Replies 2 ·
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2

Momentum Eigenstate with a non-zero potential

  • QFT25
  • · Replies 1 ·
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1

Derivation of FD/BE-distribution using single-particle state

  • lampCable
  • · Replies 1 ·
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1

Rewriting Central Force Problem of Black Hole Potential

  • Digital Honeycomb
  • · Replies 4 ·
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4

Charge density for a given potential

  • Silviu
  • · Replies 3 ·
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3

Partition function for harmonic oscillators

  • Silviu
  • · Replies 2 ·
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2

Short-period oscillations in different flight conditions

  • MattH150197
  • · Replies 6 ·
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6

Calculating pressure / energy difference confusion

  • Farang
  • · Replies 1 ·
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1

Quantum Oscillator with different frequencies

  • mgal95
  • · Replies 2 ·
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2

Thermal Conductivites between two dissimilar metals

  • Lets Get Physical
  • · Replies 1 ·
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1

Difference in potential energy of two charge configurations

  • theideasmith
  • · Replies 2 ·
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2

How Are Coefficients of Secular Equations in LCAO Evaluated?

  • sams
  • · Replies 4 ·
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4

Hamiltonian conjugate dynamic variables

  • thecourtholio
  • · Replies 3 ·
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3

Calculating Electron Speed in an Electric Field - Homework Question

  • Rangers1994
  • · Replies 1 ·
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1

Probabilities or pressures in the Saha equation?

  • lampCable
  • · Replies 3 ·
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3

Survival Probability of a free particle in time?

  • Poirot
  • · Replies 15 ·
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15

Oscillation of a Charged Particle

  • peroAlex
  • · Replies 8 ·
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8

Constructing the input state given the probabilities

  • Figaro
  • · Replies 13 ·
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13

Drawing the quark flow diagram for proton-pion interaction

  • vbrasic
  • · Replies 3 ·
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3

Decay of a particle of mass M into two particles

  • Forco
  • · Replies 1 ·
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1

Neutral Pion Mass from Its Decay into Two Photons

  • BOAS
  • · Replies 6 ·
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6

Calculating Clebsch-Gordan coefficients

  • Kara386
  • · Replies 20 ·
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20

A Hamiltonian with a tensor product - a few basic questions

  • Thomas Brady
  • · Replies 1 ·
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1

Using generating function to normalize wave function

  • thecourtholio
  • · Replies 11 ·
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11

Shear Stress Problems: Calculating Lateral Movement

  • aeroengine123321
  • · Replies 8 ·
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8

Find the possible total energies (Quantum Physics)

  • BookWei
  • · Replies 7 ·
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7

Pion Photoproduction Homework: Proton Energy Calculation

  • Arcturus7
  • · Replies 1 ·
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1

Can index swapping be applied to relativistic Lagrangian equations?

  • bananabandana
  • · Replies 1 ·
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1

Power Series expansion of an eigenvalue

  • ExplosivePete
  • · Replies 3 ·
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3

Fermi energy for two spin states equal in equilibrium?

  • lampCable
  • · Replies 1 ·
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1

How to Solve Hydraulic Jump Problems with Conservation of Momentum and Mass?

  • member 428835
  • · Replies 9 ·
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9

Diagonalize a coupled damped driven oscillator

  • jamie.j1989
  • · Replies 5 ·
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5

How Does a Skateboarder Propel Themselves by Throwing Rocks?

  • Skate
  • · Replies 2 ·
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2

What Are G Forces on a Jet and How to Calculate Them in a Turn?

  • Maximilian Popelier
  • · Replies 4 ·
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4

How Does Entropy Vary with Temperature for Chemical Reactions?

  • purricorn
  • · Replies 1 ·
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1