Daniel Vainshtein's user avatar
Daniel Vainshtein's user avatar
Daniel Vainshtein's user avatar
Daniel Vainshtein
  • Member for 7 years, 2 months
  • Last seen this week
  • Israel
3 votes
0 answers
114 views

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

3 votes
0 answers
73 views

Mismatch in the mass dimensions of the dilaton field

2 votes
0 answers
55 views

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

2 votes
0 answers
82 views

Hagedorn Temperature of Type I Superstring

2 votes
0 answers
42 views

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

2 votes
1 answer
564 views

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

1 vote
1 answer
249 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
104 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
196 views

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

1 vote
1 answer
137 views

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

1 vote
0 answers
79 views

Anomalous magnetic moment of the electron with different renormalization schemes

1 vote
0 answers
194 views

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

1 vote
0 answers
47 views

RG flow of coupled two scalar fields

1 vote
0 answers
77 views

Ground state vertex operator in superstring theory

1 vote
0 answers
44 views

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

1 vote
1 answer
56 views

Magnetic vector potential in 1+1 spacetime dimensions

0 votes
1 answer
64 views

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

0 votes
0 answers
30 views

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

0 votes
0 answers
14 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
109 views

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

0 votes
1 answer
92 views

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

0 votes
1 answer
58 views

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

0 votes
0 answers
46 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
416 views

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

0 votes
1 answer
325 views

How to find theoretically the decay width of a particle-decay process? [closed]

-2 votes
1 answer
114 views

Finding equation of motion for given Lagrangian with respect to metric