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AFG's user avatar
AFG's user avatar
AFG
  • Member for 3 years, 6 months
  • Last seen this week
9 votes
Accepted

Do gauge fields violate causality?

4 votes
Accepted

Symmetric infinite well potential

3 votes
Accepted

Gauge fixing and transformation

3 votes
Accepted

Is the wave function of an electron connected to the fact that it behaves as a wave near a double slit?

3 votes
Accepted

If I throw an object upward will its acceleration change or it will stay constant at $-g$?

3 votes
Accepted

Deriving Riemann curvature tensor in local coordinates

3 votes
Accepted

Trouble understanding the center of mass equation

3 votes

How does the length affect the frequency of a standing wave on a string and why it is that way?

3 votes
Accepted

Eigenvectors for spin matrix along arbitrary direction

3 votes

Poisson equation of point charge using Fourier transformation

3 votes

Riemann curvature tensor in flat space

2 votes

How to find the double covariant derivative of a general vector?

2 votes
Accepted

Schwinger action principle derivation in Parker-Toms

2 votes
Accepted

How to determine amplitude of compton scattering using Feynman rules?

2 votes

Terminal Velocity and Work

2 votes

Proof of the translation operator identity $\langle x| T(a) | \psi \rangle = \psi(x-a)$

2 votes

Why $\langle x|p \rangle$ is momentum eigenstate of which eigenvalue is $p$ at position basis

2 votes
Accepted

Why does $ O = |\phi\rangle \langle\psi|$ equal $O =\lambda |\phi\rangle \langle\phi|\psi\rangle\langle\psi|$ for the 2 vectors of Hilbert space

2 votes
Accepted

Infinite square well separation of variables issue

2 votes
Accepted

Integration involves derivative of delta function

2 votes
Accepted

How to calculate the inverse of the function?

2 votes
Accepted

Spatial derivative of the Hamiltonian Operator

2 votes

Jerk mechanics - Lagrangian

2 votes
Accepted

Trouble solving the geodesic equation?

2 votes
Accepted

Convert newton formula to acceleration formulas

2 votes

Basic question about commutation in Dirac notation

2 votes
Accepted

Transition rate derivation in non-relativistic quantum scattering

2 votes

Finding the energy of a Lagrangian

2 votes
Accepted

Problem Regarding Quantization in Goodstein's Book

1 vote

If $\xi_\mu$ is a Killing vector is it true that its contravariant representation $\xi^\mu$ also is a Killing vector?