User thone

14 votes

1 answer

3k views

Correlation function which has branch cut in momentum space

quantum-field-theory correlation-functions

asked Jun 5, 2012 at 2:44

12 votes

2 answers

962 views

How to understand worldsheet fermion as a section?

asked Mar 30, 2013 at 15:03

9 votes

0 answers

199 views

How to perform contour integral in Nekrasov's formula

supersymmetry gauge-theory

asked Feb 13, 2013 at 3:14

8 votes

0 answers

221 views

The Integral Trick and An Equality in Nakajima's Lecture

mathematical-physics research-level topological-field-theory brst

asked Jul 25, 2013 at 14:25

7 votes

1 answer

566 views

A Puzzle about $SO(3)$

quantum-field-theory group-theory

asked Dec 7, 2013 at 15:01

6 votes

1 answer

220 views

About the duality when embedding Gopakumar-Vafa into superstring theory

string-theory ads-cft topological-field-theory duality

asked May 28, 2013 at 4:08

5 votes

1 answer

204 views

About Vanishing of BRST commutator in path integral

string-theory path-integral topological-field-theory brst

asked Mar 26, 2013 at 2:45

4 votes

1 answer

1k views

How to determine R charge?

supersymmetry topological-field-theory

asked Apr 7, 2013 at 14:25

4 votes

1 answer

302 views

About Holographic Model of Magnetism and Superconductor

ads-cft phase-transition string

asked Apr 29, 2012 at 13:17

4 votes

1 answer

361 views

$U(1)$ beta function of low energy effective Seiberg-Witten theory

quantum-field-theory supersymmetry renormalization

asked Jan 13, 2013 at 3:41

4 votes

0 answers

113 views

On Cohomological Gauge theory Calculation

variational-principle topological-field-theory calculus

asked Jul 8, 2013 at 4:40

4 votes

0 answers

101 views

How to rearrange the fermions in CohFT?

quantum-field-theory topological-field-theory

asked Jul 10, 2013 at 15:03

3 votes

1 answer

154 views

Question about Matrix Integral

topological-field-theory calculus

asked Jul 3, 2013 at 14:14

3 votes

1 answer

437 views

Non-localities in Wilsonian effective action

quantum-field-theory

asked Jun 23, 2012 at 12:17

3 votes

1 answer

957 views

Variation of scalar field action

lagrangian-formalism field-theory variational-calculus holographic-principle boundary-terms

asked Jan 20, 2018 at 10:15

3 votes

2 answers

313 views

Reparameterization and conformal transformation in SYK

quantum-field-theory conformal-field-theory

asked Mar 16, 2018 at 11:24

2 votes

1 answer

394 views

One-loop correction to $F^2$ in massless QED, question from Peskin & Schroeder

quantum-field-theory quantum-electrodynamics feynman-diagrams stress-energy-momentum-tensor quantum-anomalies

asked Nov 11, 2014 at 3:21

2 votes

0 answers

37 views

what is the metric of N-sheeted $AdS_3$?

general-relativity black-holes holographic-principle

asked Apr 21, 2016 at 23:57

2 votes

2 answers

168 views

Why is the real part of optical conductivity dissipative although the real part of susceptibility is dispersive?

electromagnetism kinematics

asked Jul 20, 2020 at 8:29

2 votes

1 answer

145 views

About constants in fermionic path integral in Peskin and Schroeder

quantum-field-theory path-integral fermions normalization grassmann-numbers

asked Jan 6, 2021 at 12:10

2 votes

0 answers

141 views

Background field method for QED

quantum-field-theory operators quantum-electrodynamics renormalization path-integral

asked Jan 8, 2021 at 8:47

2 votes

0 answers

20 views

Rotational invariance constraints on potential

condensed-matter solid-state-physics phonons

asked Jun 27, 2021 at 3:31

2 votes

1 answer

155 views

Possible charge for Abelian and non-Abelian theory

gauge-theory group-theory representation-theory lie-algebra magnetic-monopoles

asked Jan 1 at 2:55

2 votes

0 answers

205 views

Continuation to Euclidean BTZ Black hole

general-relativity black-holes metric-tensor conventions wick-rotation

asked Sep 18, 2016 at 10:23

2 votes

1 answer

164 views

Question about charge conservation at vertices of web diagram

string-theory topological-field-theory

asked Apr 24, 2013 at 16:20

2 votes

0 answers

251 views

What is the relation between N=2 super Yang-Mills and its twist

quantum-field-theory supersymmetry topological-field-theory

asked Oct 14, 2013 at 3:11

1 vote

0 answers

2k views

Two particles in infinite square potential

quantum-mechanics homework-and-exercises

asked Dec 4, 2013 at 10:07

1 vote

0 answers

105 views

An Equality in The Calculus of Many Instantons

homework-and-exercises quantum-field-theory instantons

asked Sep 20, 2013 at 9:38

1 vote

0 answers

139 views

Coarse graining in the derivation of Boltzmann equation

quantum-field-theory statistical-mechanics effective-field-theory

asked Dec 9, 2016 at 8:08

1 vote

0 answers

51 views

scalar field boundary condition in background with U(1) isometry

quantum-field-theory black-holes

asked May 3, 2016 at 15:17

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37 Questions

Correlation function which has branch cut in momentum space

How to understand worldsheet fermion as a section?

How to perform contour integral in Nekrasov's formula

The Integral Trick and An Equality in Nakajima's Lecture

A Puzzle about $SO(3)$

About the duality when embedding Gopakumar-Vafa into superstring theory

About Vanishing of BRST commutator in path integral

How to determine R charge?

About Holographic Model of Magnetism and Superconductor

$U(1)$ beta function of low energy effective Seiberg-Witten theory

On Cohomological Gauge theory Calculation

How to rearrange the fermions in CohFT?

Question about Matrix Integral

Non-localities in Wilsonian effective action

Variation of scalar field action

Reparameterization and conformal transformation in SYK

One-loop correction to $F^2$ in massless QED, question from Peskin & Schroeder

what is the metric of N-sheeted $AdS_3$?

Why is the real part of optical conductivity dissipative although the real part of susceptibility is dispersive?

About constants in fermionic path integral in Peskin and Schroeder

Background field method for QED

Rotational invariance constraints on potential

Possible charge for Abelian and non-Abelian theory

Continuation to Euclidean BTZ Black hole

Question about charge conservation at vertices of web diagram

What is the relation between N=2 super Yang-Mills and its twist

Two particles in infinite square potential

An Equality in The Calculus of Many Instantons

Coarse graining in the derivation of Boltzmann equation

scalar field boundary condition in background with U(1) isometry