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Artem Alexandrov's user avatar
Artem Alexandrov's user avatar
Artem Alexandrov's user avatar
Artem Alexandrov
  • Member for 7 years, 7 months
  • Last seen this week
  • Moscow, Россия
11 votes
Accepted

What physics is contained in vertex corrections?

9 votes
Accepted

Why Curie temperature is bigger for smaller lattice in 2D Ising model

6 votes
Accepted

How can I show that $1/N$ expansion for large $N$ matrix models have a string theoretical perturbation expansion?

5 votes

Wick Rotation vs Sokhotski-Plemeli Method to compute internal loop of Feynman correlators

5 votes
Accepted

Microscopic theory of superconductivity in the language of the vertex function

5 votes
Accepted

How to derive the 2D asymmetric form of free Green function at large distance?

5 votes
Accepted

Topological photon mass and QED in (2+1)-D

5 votes
Accepted

How can we tell a theory is confining?

4 votes
Accepted

Transverse Ising model in continuum limit

4 votes
Accepted

Is there any physical interpretation of the curvature in electromagnetism?

3 votes

Is there (emergent) higher form spontaneous symmetry breaking in classical statistical field theory?

3 votes
Accepted

Can Fermi liquid be obtained by a canonical transformation?

3 votes
Accepted

Inverse Square Law in $D$ dimensions (two cases)

3 votes

How does the interacting vacuum $|\Omega \rangle$ enter the theory?

3 votes
Accepted

Finite nuclei volume effect on ionization energy

3 votes
Accepted

BCS theory: where did all the bosons go?

3 votes
Accepted

Physical meaning of Debye length

3 votes
Accepted

Higgs mechanism in superconducting phases

2 votes
Accepted

Integral divergent in Peskin and Schroeder eq. (7.90)

2 votes
Accepted

Problem in deriving Pauli equation

2 votes
Accepted

Different expression of $\Delta(x, m^2)=(2\pi)^{-3}\int e^{ip \cdot x}\theta(p^0)\delta(p^2+m^2)d^4p$

2 votes

How to understand the "condensation" of Cooper pair in BCS theory?

2 votes

What does phonon exchange do in the theory of superconductivity?

2 votes
Accepted

Dimensional regularization and expansion of gamma function

2 votes

Can you explain DFT and TDDFT functioning (math aside)?

2 votes
Accepted

Help with Wick's theorem in a $\phi^4$ QFT

2 votes
Accepted

Derivation of Feynman rules from generating functional

2 votes

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

2 votes

Questions on Stark Effect on Hydrogen

2 votes
Accepted

Yukawa potential in higher dimensions