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Ground state energy calculation
- Tanmoy
- · Replies 1 ·
Topological insulators and their optical properties
- bubblewrap
- · Replies 1 ·
Momentum and energy in Center-of-Momentum frame
- LagrangeEuler
- · Replies 6 ·
Finding Characteristic Depth of Strip Foundation
- Zouatine
- · Replies 1 ·
Matrix and cross section of the Xf -> Xf process
- Homer_J
- · Replies 5 ·
Force density from an electromagnetic field
- dykuma
- · Replies 13 ·
Phase space of a harmonic oscillator and a pendulum
- DannyJ108
- · Replies 5 ·
Prove the well-established (in GR) stress-energy tensor formula
- JD_PM
- · Replies 4 ·
Does operator L^2 commute with spherical harmonics?
- Feelingfine
- · Replies 2 ·
Quantum motion of a charged particle in a magnetic field
- EightBells
- · Replies 3 ·
Thermodynamic properties of metallic hydrogen
- Haozi02133
- · Replies 1 ·
Quantum Mechanics Hydrogen Atom Expectation Value Problem
- cemtu
- · Replies 24 ·
Not sure where this final Hamiltonian came from
- SamRoss
- · Replies 3 ·
Study the action in a one-dimensional movement (Hamilton Principle)
- alex23
- · Replies 2 ·
Angular momentum of a spinning disk with a point mass
- Wan Anavan
- · Replies 6 ·
Analytic solution of the SHO for 1D Schrodinger
- weak_phys
- · Replies 6 ·
Quantum Mechanics hydrogen atom eigenfunction problem
- cemtu
- · Replies 1 ·
Solution of the f_1(x)-f_1(x-pi)=f_2(x) functional equation
- Domdamo
- · Replies 3 ·
Optical depth using Bremsstahlung emission coefficient
- Kayla Martin
- · Replies 3 ·
Differentiating an equation from a mechanics textbook
- Intesar
- · Replies 21 ·
Finding Angular Momentum Along x-Axis for t given z(0) = 0, ˙z(0)=0
- MyoPhilosopher
- · Replies 6 ·
Normalization constant A of a harmonic oscillator
- Sorin2225
- · Replies 7 ·
How to Derive Isospin States in Particle Physics?
- dunk
- · Replies 1 ·
Converting a Lagrangian to a Hamiltonian
- MyoPhilosopher
- · Replies 3 ·
How is Pion Annihilation Represented in a Feynman Diagram?
- Physicsphysics
- · Replies 16 ·
How Accurate is the Initial Mass Function in Predicting Stellar Distributions?
- Physics Dad
- · Replies 3 ·
The meaning of the "physical" electron charge in Peskin (Chap 7)
- niss
- · Replies 2 ·
Checking Parity Invariance of the QED Lagrangian
- Gaussian97
- · Replies 25 ·
The meaning of eignvalues in vibration
- Zouatine
- · Replies 1 ·
What are the coefficients of psi_n for this state?
- SamRoss
- · Replies 7 ·
Get the current and the EQs of Motion of the Dirac-Lagrangian density
- JD_PM
- · Replies 95 ·
Dimension of Hilbert spaces for identical particles
- boudreaux
- · Replies 12 ·
Vector Divergence: Are the Expressions True?
- Arman777
- · Replies 4 ·
D'Alembert's principle on a pulley system
- LuccaP4
- · Replies 9 ·
Optical depth from radiative transfer equation
- Kayla Martin
- · Replies 1 ·
Finding energy eigenvalues with perturbation
- boudreaux
- · Replies 1 ·
Annihilation operators of two different types of Fermions
- Tanmoy
- · Replies 3 ·
Irradiance of light trapped between two parallel mirrors
- Sokolov
- · Replies 11 ·
Streamlines from a complex potential
- Cloruro de potasio
- · Replies 1 ·
Covariant coordinates don't co-vary
- George Keeling
- · Replies 13 ·
Perturbation Theory - expressing the perturbation
- Zero1010
- · Replies 3 ·
S-wave phase shift for quantum mechanical scattering
- EightBells
- · Replies 2 ·
Impedance of Circuit (Complex Numbers Question)
- Irishdoug
- · Replies 5 ·
Determining orthonormal states to a non-zero inner product
- electrogeek
- · Replies 7 ·
Why Is k' Introduced in the Bloch Theorem Derivation?
- patric44
- · Replies 3 ·
Finding killing vector fields of specific spacetime
- Aemmel
- · Replies 1 ·
Feynman diagrams for Δ++ and Ξ- decay
- jaoc
- · Replies 3 ·
Temperature of Bose Einstein Condensation
- tanaygupta2000
- · Replies 3 ·
Deriving the Relativistic Transverse Doppler Effect (Circular Motion)
- stephenklein
- · Replies 4 ·
Computing the wave function of a square potential
- CrosisBH
- · Replies 4 ·
Deriving the Adjoint / Tangent Linear Model for Nonlinear PDE
- finite_diffidence
- · Replies 2 ·
How to Derive Matrix Representations for Spin Operators?
- gabriellelee
- · Replies 1 ·
Partition function from the density of states
- snatchingthepi
- · Replies 3 ·
Simplifying a two-particle system to a one-body problem
- batclocks
- · Replies 2 ·
Derivation of the velocity of bloch electrons
- patric44
- · Replies 5 ·
Working out harmonic oscillator operators at ##L \rightarrow \infty##
- JD_PM
- · Replies 11 ·
Electrostatic field of a sphere
- gebhaard
- · Replies 2 ·
Partition Function for Spin-1 One Dimensional Ising Model
- pauladancer
- · Replies 3 ·
Integral Involving the Dirac Delta Function
- gabriellelee
- · Replies 13 ·
Levi-Civita symbol and its effect on anti-symmetric rank two tensors
- Jason Bennett
- · Replies 2 ·
Finding the velocity of a relativistic rocket
- Arman777
- · Replies 17 ·
Lagrangian with angular velocity not constant
- pepediaz
- · Replies 18 ·
Show the invariance of the complex-scalar-field Lagrangian
- JD_PM
- · Replies 24 ·
Centripetal force for off-centered cylinders rolling down a curve
- caesium
- · Replies 12 ·
How is the Electric Field in Energy Bands Calculated?
- jisbon
- · Replies 1 ·
How to care about only one particle in a two-particle system
- snatchingthepi
- · Replies 3 ·
Potential vector (A) of a disk with a surface current
- Cloruro de potasio
- · Replies 5 ·
Controlled-Z gate as a product of exponentials
- EightBells
- · Replies 1 ·
How can I apply single qubit gates and CNOT to 8x1 column vectors?
- EightBells
- · Replies 1 ·
Get the equation of motion given a Lagrangian density
- JD_PM
- · Replies 18 ·
Projective measurements of quantum processor
- EightBells
- · Replies 1 ·
Perturbation treatment of hydrogen molecular ion
- patric44
- · Replies 15 ·
Global phase factor in quantum gates and probability amplitudes
- EightBells
- · Replies 1 ·
Compensation Doping: Adding Boron Atoms
- jisbon
- · Replies 1 ·
EOM of simple pendulum submerged in a fluid
- Saptarshi Sarkar
- · Replies 2 ·
Questions on Plane Wave Superposition
- andrew chen
- · Replies 2 ·
Proving DC Current Loop Does Not Radiate w/ Lienard-Wiechert Potential
- Rafa_Tapia
- · Replies 1 ·
What is the relationship between polarization vectors and spin in QFT?
- RicardoMP
- · Replies 1 ·
Why Is Acetone's Pressure Relevant in Determining Air Pressure in a Tank?
- Mark Gerts
- · Replies 8 ·
Contracting Levi-Civita and Kronecker delta with a tensor
- MichaelAlexDavM
- · Replies 7 ·
Computing an Energy-Momentum tensor given a Lagrangian
- JD_PM
- · Replies 30 ·
Calculate pump height by using the Bernoulli Equation
- sci0x
- · Replies 15 ·
Fundamental equation and state equations of the ideal gas
- fluidistic
- · Replies 1 ·
Plotting the radial wave function of Deuteron in a finite well
- TopologyisGeometry
- · Replies 3 ·
Is the Quadrupole Moment Non-Zero?
- ispivack
- · Replies 2 ·
Why is My Calculation of Φ Incorrect?
- gremio594
- · Replies 6 ·
Ammonia Rankine cycle heat engine calculation
- Biodelta
- · Replies 6 ·
Kinetic energy of a disk that is rolling and not slipping
- Mohamed BOUCHAKOUR
- · Replies 4 ·
Infinite Square Well Expansion: Mass m in Ground State
- Irishdoug
- · Replies 2 ·
Statistical Mechanics: Two systems reaching an equilibrium temperature
- tanaygupta2000
- · Replies 11 ·
Proof of the commutator ## [P^2,P_\mu]=0 ##
- RicardoMP
- · Replies 1 ·
Infinitesimal coordinate transformation of the metric
- shinobi20
- · Replies 1 ·
A mathematical derivation in Peskin and Schroeder on page 722.
- MathematicalPhysicist
- · Replies 1 ·
Fluid dynamics and incompressible fluids
- dunk
- · Replies 22 ·
Calculation of g-factor correction in Peskin p. 196
- niss
- · Replies 6 ·
The variation of the information content of a large Einstein solid
- Ted Ali
- · Replies 1 ·
Spatial Wave function of two indistinguishable particles
- Zero1010
- · Replies 26 ·
How to Find Eigenstates for Value 0 in Projection on Coherent States Paper?
- Heidi
- · Replies 2 ·
Quadrature distribution for an optical mode in the coherent state
- proton4ik
- · Replies 2 ·
Equilibrium concentration of co2 in beer
- sci0x
- · Replies 4 ·