gamebm's user avatar
gamebm's user avatar
gamebm's user avatar
gamebm
  • Member for 9 years, 11 months
  • Last seen more than a month ago
  • São Paulo - State of São Paulo, Brazil
10 votes
3 answers
2k views

A question about running coupling constant

8 votes
2 answers
6k views

The definition of transpose of Lorentz transformation (as a mixed tensor)

4 votes
1 answer
726 views

Why is this expression infrared divergent

4 votes
1 answer
209 views

The kinematic region for the operator product expansion

3 votes
1 answer
693 views

Derivation of Boltzmann equation including accelerations

3 votes
1 answer
617 views

A question about the proof of Goldstone's theorem

3 votes
2 answers
1k views

Calculation of Einstein tensor for weak gravitational field

2 votes
0 answers
407 views

A question about the Ward-Takahashi identity

2 votes
0 answers
152 views

Contribution from $u$-channel and $t$-channel processes in OPE analysis for deep inelastic scattering

2 votes
1 answer
379 views

About the calculation of one-particle-irreducible two-point diagram

2 votes
1 answer
4k views

A question about isospin of pion and kaon

1 vote
0 answers
562 views

A question about Fermi surface in weak periodic potential

1 vote
0 answers
196 views

Energy of static magnetic field

1 vote
1 answer
112 views

An invariant of the gauge group $G$ that is totally symmetric with three indices in the adjoint representation

1 vote
0 answers
267 views

Electric charge operator and the charges of $W^\pm$ mesons

1 vote
1 answer
2k views

A question about two-point 1-particle-irreducible diagram

1 vote
2 answers
1k views

Lensmaker's equation and Imaging properties

1 vote
0 answers
158 views

Vertex renormalization and the probability to produce $n$ soft photons

1 vote
1 answer
248 views

An Integral involving solid angle in Peskin and Schroeder

1 vote
2 answers
375 views

An integral in mass renormalization in Peskin and Schroeder

0 votes
0 answers
183 views

A question about renormalization condition and Callan-Symanzik equation

0 votes
0 answers
911 views

Free energy term for the magnetic field in Ginzburg-Landau theory