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What will be ##\int_{v'}\vec \nabla_{v'}(1/R)dv'##
- Apashanka
- · Replies 10 ·
Amplitude with Feynman diagrams and gluon propagators
- Aleolomorfo
- · Replies 1 ·
Relativity - energies of particles in circular motion
- Ciumko
- · Replies 3 ·
Equation of motion using Runge-kutta 4 and Verlet algorithm
- FahdEl
- · Replies 3 ·
How to Determine Fermi Energy in a Quantum Well Without Given Temperature?
- Martin89
- · Replies 1 ·
Trace of a subsystem of a two qubit system
- Haorong Wu
- · Replies 4 ·
How Do I Create the State Vector χ for Larmor Precession in a 2D B-field?
- Benhur
- · Replies 4 ·
Why are the E-L-Equations the Same Old Song in the Music Industry?
- ManishN
- · Replies 1 ·
Applying LSZ reduction - scattering particles - quantum theory
- binbagsss
- · Replies 1 ·
Two masses connected by a spring in the center of mass frame
- srecarey
- · Replies 1 ·
Initial Value Equations out of ADM formalism
- TerryW
- · Replies 1 ·
Calculate the time taken to transmit the file over the wireless link
- JJgo
- · Replies 3 ·
Calculating the Fraction of Time Particles Spend Outside a Potential Well
- JD_PM
- · Replies 16 ·
Potential at the origin due to an infinite set of point charges
- SherlockHolmie
- · Replies 16 ·
How does the Maxwell stress tensor relate to forces inside a surface?
- JD_PM
- · Replies 3 ·
How Do You Express the Tensor Product of Hamiltonians?
- Woolyabyss
- · Replies 1 ·
How to Determine D, H, and β in a Region with Given Parameters?
- lord_sphinx
- · Replies 1 ·
2D Laplace equation in polar coordinates with wedge boundary conditions
- majormuss
- · Replies 2 ·
Why the magnetic field doesn't have to describe a circle?
- JD_PM
- · Replies 46 ·
Average speed of molecules in a Fermi gas
- Silicon-Based
- · Replies 2 ·
How Does Coulomb Repulsion Affect a Fermionic Two-Level System?
- Selveste
- · Replies 1 ·
Why does a magnetic monopole experience a force from the electric field?
- dRic2
- · Replies 11 ·
The Eigenfunction of a 2-electron system
- Settho
- · Replies 4 ·
[Work check] Parametric frictionless wire
- Zinggy
- · Replies 2 ·
How to find the decay rate of processes: a→ b+c
- Jamiemma1995
- · Replies 5 ·
Why does current in a torus wire only have ξ component in toroidal coordinates?
- Ark236
- · Replies 1 ·
Friedmann's equation for a^3 with Λ, ρm
- QuarkDecay
- · Replies 1 ·
What is the principal moment of inertia tensor for a lamina?
- LeoChan
- · Replies 2 ·
How to Calculate the Recessional Velocity of a Galaxy 500 Mpc Away?
- James Beedy
- · Replies 4 ·
Calculate potential form poisson equation
- Kosta1234
- · Replies 7 ·
How to deal with a circular light boundary conditions
- Othman0111
- · Replies 14 ·
Fermi energy and heat capacity of a Fermi gas
- Clara Chung
- · Replies 2 ·
Calculating properties of a non-rotating black hole
- park
- · Replies 4 ·
Why does the Stark effect split n=2 into only 4 sublevels?
- Clara Chung
- · Replies 9 ·
How to find von-Klitzing constant based on graph?
- john chen
- · Replies 1 ·
How Is the Second Term Derived in the 2D Riemann Curvature Tensor?
- Woolyabyss
- · Replies 1 ·
Electrodynamics: Vector Calculus Question
- majormuss
- · Replies 8 ·
The Energy of a Continuous Charge Distribution (Griffiths EM Sect. 2.4.3 3rd ed)
- zackiechan
- · Replies 2 ·
Where Did I Go Wrong Solving the Inflation Model Integral?
- QuarkDecay
- · Replies 1 ·
Geodesics and Motion in an EM Field
- Woolyabyss
- · Replies 1 ·
Differential cross section notation and flux dimension
- Clara Chung
- · Replies 3 ·
What is the branching ratio for alpha decay to Pu-237?
- Dant_li
- · Replies 1 ·
[Griffiths ex4.2] Electric field of a uniformly polarized sphere
- peguerosdc
- · Replies 4 ·
How to calculate the axial components for a helix?
- needphyshelpalways
- · Replies 1 ·
How Do You Integrate sin(2kz) from Negative Infinity to z?
- amjad-sh
- · Replies 7 ·
Show that this Equation Satisfies the Schrodinger Equation
- Zinggy
- · Replies 5 ·
What Potential Should Be Used for Energy Stored in a Charged Sphere?
- Kosta1234
- · Replies 1 ·
Density matrix of an ammonia molecule
- Lebnm
- · Replies 7 ·
Oscillation of a driven RLC network
- Miles123K
- · Replies 19 ·
How to use the Bremsstrahlung flux to analyse a medium?
- mjda
- · Replies 1 ·
Potential energy of a shell and a disc, both covered uniformly with charge
- Gursimran Singh
- · Replies 2 ·
How can I use spherical coordinates to simplify the Fourier transform equation?
- kelly0303
- · Replies 2 ·
Equation of state for a real gas
- WWCY
- · Replies 7 ·
Green's Function for a harmonic oscillator
- TheBigDig
- · Replies 9 ·
Work check and advice on a statistical mechanics problem
- Clara Chung
- · Replies 3 ·
To prove that a coherent state is an eigenstate of the annihilation operator
- chmodfree
- · Replies 2 ·
Nucleon-nucleon scattering; why can we assume ##l=0##?
- JD_PM
- · Replies 1 ·
Understanding Energy Levels and Transitions in Magnetic Fields
- ABlibo
- · Replies 5 ·
The Lagrangian for a piece of toast falling over the edge of a table
- Markus Kahn
- · Replies 5 ·
Second Virial Coefficient, numerically
- Selveste
- · Replies 1 ·
Square wire in a cylindrical magnetic field
- Konhbri
- · Replies 2 ·
Differentiating a traveling wavefunction Ψ(x−ut,t)
- Spylock
- · Replies 2 ·
Statistical mechanics problem about a paramagnet
- Clara Chung
- · Replies 10 ·
How Do You Determine Heat Capacity for Liquids?
- Joseph Rolls
- · Replies 2 ·
Circulation of water in a cylindrical reservoir
- RiotRick
- · Replies 1 ·
Rewrite tensor force operator in terms of spin and position operators
- kelly0303
- · Replies 1 ·
Lagrangian and Equations of Motion for Conical Pendulum
- Mason Smith
- · Replies 2 ·
Dirac delta function of a function of several variables
- amjad-sh
- · Replies 3 ·
Proving Even Parity for this Expression
- Markus Kahn
- · Replies 1 ·
Understanding solutions of Dirac equation
- Markus Kahn
- · Replies 5 ·
Find ψ(x, t) and P(En) at t > 0 infinite well
- rkdaniels
- · Replies 8 ·
What is the area element of angular distribution of charge?
- Kosta1234
- · Replies 2 ·
ADM field Lagrangian for a source-free electromagnetic field
- TerryW
- · Replies 1 ·
Kramers-Kronig Relations: Principal Value
- CharlieCW
- · Replies 8 ·
How Did Sci-Fi Shape Denis Villeneuve's Filmmaking Career?
- SolitaryWalkerX
- · Replies 1 ·
How to determine particle energies in center of momentum frame?
- RicardoMP
- · Replies 1 ·
Poincare algebra and its eigenvalues for spinors
- Markus Kahn
- · Replies 3 ·
Second Quantization - Quasiparticles
- LarryC
- · Replies 3 ·
The position and momentum operators for a free particle in Heisenberg picture
- Haorong Wu
- · Replies 2 ·
Analytical solution of the Photon Diffusion Equation
- Stearge
- · Replies 3 ·
How Do Lorentz Group Commutation Relations Apply to Spin Matrices?
- Markus Kahn
- · Replies 1 ·
Rotational Dynamics, 1.68(SS.Krotov) and 1.264(Irodov)
- Shridhar
- · Replies 3 ·
Minimum energy positron electron collision producing Z-boson
- khallil
- · Replies 1 ·
Spin-##\frac{1}{2}## particles in infinite square well
- Alex145
- · Replies 9 ·
Mixture of different gases at different temperatures
- samak55
- · Replies 5 ·
An electron in an oscillating magnetic field
- Haorong Wu
- · Replies 4 ·
Calculating field transformation
- Markus Kahn
- · Replies 1 ·
4 momentum mass non-conservation, special relativity
- Konhbri
- · Replies 2 ·
Solving a PDE with boundary problem
- Karl86
- · Replies 4 ·
Half infinite cylinder uniform charge
- Kosta1234
- · Replies 16 ·
Spherical capacitor with dielectrics
- Karl86
- · Replies 10 ·
Observing galaxies: area of sky would I need to survey
- Cedric Chia
- · Replies 8 ·
About initial mass function and mean mass in stellar cluster
- Cedric Chia
- · Replies 3 ·
Volume integral over a gradient (quantum mechanics)
- astrocytosis
- · Replies 2 ·
Fourier transforms, convolution, and Fraunhofer diffraction
- marnobingo665
- · Replies 2 ·
Equation of motion for oscillations about a stable orbit
- Daniel Sellers
- · Replies 2 ·
The potential between a cone and a plate
- zengodspeed1
- · Replies 6 ·
Temperature profile between two parallel plates
- skrat
- · Replies 15 ·
Sign change in the Feynman propagator integral with momentum substitution
- binbagsss
- · Replies 15 ·
Some questions about surface plasmon polaritons
- TheCatsMeow
- · Replies 1 ·