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Physics
Ghorbalchov's user avatar
Ghorbalchov's user avatar
Ghorbalchov's user avatar
Ghorbalchov
  • Member for 7 years, 8 months
  • Last seen this week
  • United Kingdom
Profile Activity

27 Answers

Score Activity Newest
6 votes
Accepted

Writing Fock State in Momentum basis

4 votes
Accepted

Clausius inequality leading to absurd result

3 votes

Two-particle operators in QFT and the factor 1/2

3 votes
Accepted

Prove that $\vec{E}\cdot\vec{B}$ is invariant with respect to boost

3 votes

How to derive this angular shift formula, $\lambda_\theta=\lambda_0\left[1-\frac{\eta^0}{\eta^*}\sin^2\theta\right]^{1/2}$ for interference filters?

3 votes

Does the AC Stark Effect in Multilevel Systems depend on whether a state is populated or not?

3 votes
Accepted

Why does it make sense to do Dyson Resummation with first-order 1PI-diagrams?

3 votes
Accepted

Ambiguous propagation of uncertainty

2 votes

Resolving Power of Optical Instruments and coherent light

2 votes
Accepted

Periodic boundary condition (Born-Von Karman): does the size of the cube matter?

2 votes
Accepted

Nitpicking the definition of Angular Magnification, missing info

2 votes
Accepted

Radial component of velocity in a Rankine-vortex

1 vote
Accepted

How to move from the aperture to the far screen (from identity to Fourier transform in a smooth way)?

1 vote

Fourier Optics: Far Field Image

1 vote
Accepted

Derivation of gravitational wave as quadrupole moment

1 vote
Accepted

Expansion of the derivatives of the electric and magnetic fields

1 vote
Accepted

Scaling of electron wavefunction near the nucleus

1 vote

Transformation of the Lorentz factor when a relativistic particle partially absorbs energy from a photon?

1 vote
Accepted

Why is a cavity's free spectral range determined by the group refractive index?

1 vote
Accepted

What is the allowed $k$ values in nearly free electron model?

1 vote
Accepted

Complex values for the dispersion relation obtained through an $s$-band only tight binding model for diamond cubic crystal

1 vote
Accepted

Show that an amplitude modulator gives a mirror symmetry in optics

1 vote
Accepted

Can excitons always be formed from electrons and holes with the same wavevector?

0 votes
Accepted

Galactic Dynamics: spherical coordinates velocity integral help!

0 votes
Accepted

Approximate Hamiltonian from first-order perturbation theory

0 votes
Accepted

Why is working infinitesimally allowed here?

0 votes
Accepted

Intensity distribution of spatially incoherent source