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Kimari
  • Member for 6 years, 7 months
  • Last seen more than 2 years ago
5 votes
1 answer
1k views

Calculating the numerical factor from Feynman diagram

3 votes
1 answer
115 views

Behaviour of quantum spins

3 votes
1 answer
1k views

Why does the charge conjugation of the spinor transform as a spinor?

3 votes
3 answers
960 views

The meaning of the singularity in Schwarzschild metric

2 votes
1 answer
204 views

Dispersion Relation of Quasiparticle in Superfluid

2 votes
2 answers
315 views

Why is the supercurrent the functional derivative of the Ginzberg Landau free energy with respect to the vector potential?

2 votes
1 answer
784 views

Inverse transformation of Bogoliubov Transformation

2 votes
1 answer
622 views

Why can we use the equation of motion to calculate the amplitude in "Quantum Field Theory"?

2 votes
1 answer
219 views

Question about choosing the time reversal operator

2 votes
1 answer
293 views

Modifying the Hamiltonian when there is a presence of the Coulomb interaction

2 votes
0 answers
58 views

A question about Lorentz invariant argument when writing down the Dirac equation [duplicate]

1 vote
0 answers
79 views

Can the form of the wave equation be determined from the form of its solutions?

1 vote
0 answers
283 views

Why does the majorana equation preserve handedness?

1 vote
0 answers
77 views

Ferromagnetic Instability at van Hove singularity

1 vote
0 answers
36 views

Why do Hydrogen atoms become solid at very low temperature?

0 votes
1 answer
2k views

Susceptibility in the paramagnetic Ising model