user avatar
user avatar
user avatar
devCharaf
  • Member for 2 years, 8 months
  • Last seen more than a week ago
9 votes
2 answers
502 views

Does the quadratic mass term $\frac{1}{2}m^2\phi^2$ belong to the free Lagrangian or is it an interaction term?

5 votes
1 answer
78 views

Decoupled Temperature for photons: why is it 0.25 $\rm eV$ rather than 13.6 $\rm eV$?

4 votes
1 answer
189 views

Kubo formula to compute the energy dissipated in heat bath

3 votes
2 answers
92 views

The conditions under which a stress tensor $T^{\mu\nu}$ exists

2 votes
2 answers
276 views

Spontaneous symmetry breaking with 1 massive scalar but three unbroken generators?

2 votes
1 answer
74 views

Are there other possible options to represent the amplitude in the path integral formalism?

2 votes
1 answer
162 views

Gauge invariance of loop Diagrams

2 votes
2 answers
122 views

AdS/CFT with circle boundary

1 vote
0 answers
295 views

How to perform a contour integral for propagators (Peskin section 2.4)

1 vote
0 answers
38 views

Naked singularities in negative $M$ BTZ black hole geometry

1 vote
1 answer
100 views

Lorentz indices to label rotation irreducible representations

0 votes
0 answers
39 views

Geodesics from a Lagrangian in a restricted space

0 votes
1 answer
51 views

How to interpret the $u',v'$ graph in the Krukal coordinates? how to find the light cone?

0 votes
0 answers
56 views

Quantum dissipation when coupling a system with a heat bath

0 votes
1 answer
375 views

Definition of orbits of a Killing vector field

0 votes
1 answer
65 views

Thermal equilibrium in radiation dominated universe. What drove the universe out of this equilibrium?

0 votes
1 answer
196 views

$SU(3)$ Clebsch-Gordan Coefficient

0 votes
0 answers
135 views

Hadronic decay experimental result