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jpm
  • Member for 8 years, 2 months
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20 votes
Accepted

Are there forces which do not involve a change in momentum?

18 votes

Do gamma matrices form a basis?

9 votes
Accepted

Symmetries of the theory that are not symmetries of the action nor of the measure?

6 votes
Accepted

Confusion with LSZ reduction formula

5 votes

Multivariable Dirac Delta and Faddeev-Popov Determinant

4 votes
Accepted

Killing vector contractions along isometric curves

4 votes
Accepted

How to verify this statement in optical theorem?

3 votes

Monopole operator: correlation functions

3 votes

Dirac equation in QFT vs relativistic QM

3 votes

From representations to field theories

3 votes
Accepted

Electomagnetic Field Quantization

3 votes

Why in the relativistic quantum mechanics $ \gamma_4$ name is not used instead of $ \gamma_5$?

2 votes

When can i separate spin from the wavefunction?

2 votes

What will be the relative speed of a photon in a light ray to another photon of opposite direction light ray?

2 votes

Comparing predictions and reality for the gravitational attraction due to light beams

2 votes
Accepted

Coulomb repulsion in superconductivity

2 votes
Accepted

Why does this amplitude not factorise into subamplitudes?

2 votes

Quantum symmetries: $S$ or $Z$?

2 votes

What causes here an apparent violation of Elitzur's theorem?

2 votes

Does 4D ${\cal N} = 3$ supersymmetry exist?

1 vote

Faster ways of computing feynman diagrams

1 vote

A simple question about the scattering amplitude $\mathcal{M}$ in QFT

1 vote
Accepted

Normalization of the Chern-Simons action in the Dijkgraaf-Witten paper

1 vote
Accepted

Energy of quarks and the mass of the proton

0 votes

Why we can't write low energy effective field theory for a gapless system?