Paweł Korzeb's user avatar
Paweł Korzeb's user avatar
Paweł Korzeb's user avatar
Paweł Korzeb
  • Member for 1 year, 8 months
  • Last seen more than a week ago
2 votes
1 answer
121 views

Do we have any guarantee that the Noether current of continuous symmetry is non-zero? (Inspired by calculating $SO(2)$ charge of Majorana Fermion)

2 votes
2 answers
215 views

How does the creation of Cooper pairs and their condensation explains superconductivity?

2 votes
1 answer
88 views

Definition of symmetry factor $p$ in Feynmans diagrams symmetry factor in Coleman's "Introduction to Many-Body Physics"

2 votes
0 answers
53 views

Is a worm-like-chain purely entropic?

2 votes
1 answer
32 views

Proper understanding of the force implied on the container's wall by the hydrostatic preasure [closed]

1 vote
1 answer
64 views

How one can use Wick's theorem for the product $A:\mathrel{B^{n}}:$?

1 vote
0 answers
67 views

Why magnon band is half filled in XY model?

0 votes
1 answer
51 views

Fermionic coherent state in Fock representation

0 votes
0 answers
138 views

What is the meaning of a propagator of a Dirac field and how to get a probability of a process from it?