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Daniel Vainshtein's user avatar
Daniel Vainshtein's user avatar
Daniel Vainshtein's user avatar
Daniel Vainshtein
  • Member for 7 years, 5 months
  • Last seen this week
  • Israel
6 votes
1 answer
205 views

How to find that there is a conical singularity in the BTZ black hole?

3 votes
0 answers
74 views

Mismatch in the mass dimensions of the dilaton field

3 votes
0 answers
121 views

The 1-loop anomalous dimension of massless quark field for $SU(N)$ gauge theory with $n_f$ quark flavours

2 votes
0 answers
56 views

Vanishisng vaccum Feynman diagrams in $A-B-\phi$ scattering model

2 votes
0 answers
86 views

Hagedorn Temperature of Type I Superstring

2 votes
0 answers
47 views

Calculating the Bekenstein-Hawking entropy for 1+1 black hole with dilaton background

2 votes
1 answer
586 views

Making the most general lagrangian of triplet scalar fields under $SU(3)$ symmetry

1 vote
1 answer
258 views

How to make a triplet out of 2 doublets in the $SU(2)$ representation?

1 vote
0 answers
99 views

Reading symmetry out of Lagrangian

1 vote
0 answers
108 views

How $W^{\pm}$ bosons get their electric charge $\pm 1$ as opposed to $Z_0$ that have neutral electric charge?

1 vote
1 answer
218 views

Reducibility of Lorentz group generators, contrasted with irreducible gamma-matrix representation

1 vote
1 answer
141 views

Propagator, mass and electrostatic potential of an modified 2+1 dimensional Maxwell action

1 vote
0 answers
84 views

Anomalous magnetic moment of the electron with different renormalization schemes

1 vote
0 answers
206 views

Understanding classical massive real scalar $\phi^4$ Callan-Symanzik equation

1 vote
0 answers
49 views

RG flow of coupled two scalar fields

1 vote
0 answers
84 views

Ground state vertex operator in superstring theory

1 vote
0 answers
48 views

How scalar field couples to the $B$-field in Dilaton-Gravity-Maxwell action?

1 vote
1 answer
42 views

Worldsheet action in the presence of background fields in complex coordinates

1 vote
1 answer
74 views

Magnetic vector potential in 1+1 spacetime dimensions

0 votes
1 answer
68 views

Understanding the shape of 2-dimensional orbifold given a metric tensor [closed]

0 votes
0 answers
32 views

$B$-field reducion in the Kaluza-Klein mechanism

0 votes
0 answers
15 views

Electromagnetic interaction of a scalar field before KK reduction

0 votes
0 answers
66 views

Charge of a particle is running when getting closed to charged black hole horizon

0 votes
1 answer
132 views

The Komar mass of the second Killing vector in the Schwarzschild metric

0 votes
1 answer
106 views

Central Charge Calculation of $SL_k(2,\mathbb{R})$ WZW Model

0 votes
1 answer
59 views

Given an electric potential in curved spacetime, how to calculate the total electric charge?

0 votes
0 answers
48 views

Total charge calculation of a spherically symmetric electric potential in the background of a Schwarzschild like metric

0 votes
3 answers
1k views

Proving identity $tr(\gamma^{\mu}\gamma^{\nu}\gamma^{\rho}\gamma^{\sigma}\gamma^{5})=-4i\epsilon^{\mu\nu\rho\sigma}$

0 votes
0 answers
39 views

Proving D matrix of the Lorenz group furnish a representation using a transformation rule

0 votes
1 answer
509 views

Writing the Euler-Lagrange equation for variation of an action with respect to metric using only the Lagrangian