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M91
  • Member for 6 years, 6 months
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4 votes
1 answer
455 views

Lorentz boost transformations form a group?

2 votes
1 answer
541 views

Dyson's formula $\phi^4$ theory

2 votes
0 answers
218 views

Massive photons and gauge invariance

1 vote
0 answers
426 views

One-loop correction $\phi^4$ theory

1 vote
0 answers
62 views

Non-relativistic loop integrals

1 vote
1 answer
2k views

Determinant metric tensor

1 vote
1 answer
150 views

Killing vectors and isometry

1 vote
1 answer
126 views

Motion open string

0 votes
2 answers
997 views

Photon frequency and four-velocity

0 votes
3 answers
752 views

Metric tensor times its inverse using Kronecker delta

0 votes
1 answer
195 views

Four-momentum matrix dot product sigma matrix

0 votes
1 answer
216 views

Anti-symmetric energy-momentum tensor Maxwell theory [closed]

0 votes
1 answer
93 views

Nonvanishing expectation value lesser Green's function

0 votes
0 answers
32 views

Rindler metric and equivalance principle [duplicate]