User Ringo_00 - Physics Stack Exchange

4 votes

1 answer

370 views

Why the photon doesn't acquire mass with the Higgs mechanism? [duplicate]

asked Nov 29, 2018 at 16:25

3 votes

1 answer

259 views

Issue with understanding the Weinberg's proof of the Goldstone boson theorem

asked Mar 9, 2021 at 20:49

2 votes

0 answers

386 views

Does the conserved quantity of the complex scalar field descend from a symmetry?

asked May 11, 2018 at 5:52

1 vote

1 answer

391 views

Contracting tensors

asked Jul 2, 2018 at 10:38

1 vote

1 answer

125 views

Question about the Weinberg proof of the Goldstone's theorem

asked May 9, 2021 at 21:35

1 vote

1 answer

242 views

Question on the proof of Hawking radiation as done in "Quantum fields in curved space - Birrell,Davies"

asked Feb 7, 2022 at 12:30

1 vote

1 answer

153 views

Gauge transformation of the gauge-fixing term in the QED action

asked May 12, 2020 at 16:28

0 votes

1 answer

38 views

Finding the form of T with $T(s_1s_2)=T(s_1)T(s_2)$

asked Jun 29, 2020 at 10:52

0 votes

0 answers

378 views

Continuity equation for the stress-energy tensor in the FLRW metric

asked Nov 14, 2020 at 10:33

0 votes

0 answers

552 views

Computation left to the reader in Peskin & Schroeder

asked Mar 30, 2018 at 8:59

0 votes

0 answers

438 views

How do I compute QFT trace of matrices at the end of a Feynman diagram?

asked May 8, 2018 at 16:21

0 votes

1 answer

129 views

Why Majorana neutrinos is a solution for the existence of only LH neutrinos?

asked Sep 14, 2018 at 16:46

0 votes

1 answer

240 views

Why can we write lagrangian for gauge theory without the traces?

asked Nov 28, 2018 at 17:08

0 votes

2 answers

302 views

Why does the pion live in a representation of isospin SU(2) and is the mediator of the strong force generated by color SU(3)?

asked Nov 28, 2018 at 18:14

0 votes

0 answers

2k views

Energy-momentum tensor of the Dirac field

asked Feb 10, 2019 at 5:27

0 votes

1 answer

523 views

How to get the imaginary part from the Källén-Lehmann propagator

asked Jul 2, 2019 at 15:08

0 votes

0 answers

109 views

Magnetization in a finite lattice Ising model generated with MC algorithm

asked Nov 20, 2019 at 9:51

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17 Questions

Why the photon doesn't acquire mass with the Higgs mechanism? [duplicate]

Issue with understanding the Weinberg's proof of the Goldstone boson theorem

Does the conserved quantity of the complex scalar field descend from a symmetry?

Contracting tensors

Question about the Weinberg proof of the Goldstone's theorem

Question on the proof of Hawking radiation as done in "Quantum fields in curved space - Birrell,Davies"

Gauge transformation of the gauge-fixing term in the QED action

Finding the form of T with $T(s_1s_2)=T(s_1)T(s_2)$

Continuity equation for the stress-energy tensor in the FLRW metric

Computation left to the reader in Peskin & Schroeder

How do I compute QFT trace of matrices at the end of a Feynman diagram?

Why Majorana neutrinos is a solution for the existence of only LH neutrinos?

Why can we write lagrangian for gauge theory without the traces?

Why does the pion live in a representation of isospin SU(2) and is the mediator of the strong force generated by color SU(3)?

Energy-momentum tensor of the Dirac field

How to get the imaginary part from the Källén-Lehmann propagator

Magnetization in a finite lattice Ising model generated with MC algorithm