User lsdragon

4 votes

1 answer

699 views

Feynman propagator for interacting field

asked Sep 3, 2021 at 13:28

4 votes

1 answer

355 views

Can the Zak phase approximately protect edge states in an SSH model when its value is close to pi but not quantized?

asked Apr 12, 2023 at 12:11

3 votes

0 answers

161 views

How to derive or understand the quantum detailed balance condition for Markov open system?

asked Jul 11, 2023 at 13:00

3 votes

0 answers

149 views

Berry phase from Bloch wave functions in the basis of Wannier functions

asked Nov 22, 2022 at 3:27

2 votes

0 answers

84 views

Why chiral Majorana fermions with finite momentum are called as an Majorana fermion?

asked Nov 30, 2022 at 8:16

1 vote

1 answer

272 views

Is any continuous transformation a symmetry of action?

asked Feb 14, 2021 at 7:49

1 vote

0 answers

139 views

Invariance of spin-polarized Kohn-Sham Hamiltonian with respect to spin rotations

asked Apr 21, 2021 at 3:47

1 vote

1 answer

89 views

Why number of left-moving and right-moving edge states on a finite lattice system is equal?

asked Nov 4, 2021 at 14:54

1 vote

0 answers

60 views

Cooper wave function and gap function have same symmetry properties

asked Oct 24, 2022 at 15:32

1 vote

1 answer

97 views

Can we physically explain superconductor mean field order parameter (gap function) as Cooper pair wave function?

asked Oct 25, 2022 at 11:17

1 vote

0 answers

58 views

What is convention of predefined coordination system for defining elastic constant of a specific material

asked Sep 19, 2023 at 5:41

1 vote

1 answer

321 views

Fermionic Parity operator or number operator are not conserved after Bogoliubov transformation

asked Jul 5, 2023 at 10:55

Stack Exchange Network

12 Questions

Feynman propagator for interacting field

Can the Zak phase approximately protect edge states in an SSH model when its value is close to pi but not quantized?

How to derive or understand the quantum detailed balance condition for Markov open system?

Berry phase from Bloch wave functions in the basis of Wannier functions

Why chiral Majorana fermions with finite momentum are called as an Majorana fermion?

Is any continuous transformation a symmetry of action?

Invariance of spin-polarized Kohn-Sham Hamiltonian with respect to spin rotations

Why number of left-moving and right-moving edge states on a finite lattice system is equal?

Cooper wave function and gap function have same symmetry properties

Can we physically explain superconductor mean field order parameter (gap function) as Cooper pair wave function?

What is convention of predefined coordination system for defining elastic constant of a specific material

Fermionic Parity operator or number operator are not conserved after Bogoliubov transformation