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mathripper
  • Member for 1 year, 10 months
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5 votes
1 answer
271 views

On contractions and S-Matrix in $\phi^4$ scalar theory

5 votes
1 answer
109 views

Reference request: Introductory books on Quantum Logic

3 votes
1 answer
163 views

On the spectrum of a quantised open string

2 votes
1 answer
119 views

OPE in linear dilaton theory

2 votes
2 answers
439 views

Feynman diagram for double-bubble vacuum graph in $\phi^4$ theory

2 votes
0 answers
106 views

Computing the spectrum of a lagrangian in field theory

2 votes
1 answer
177 views

Residual symmetry group of a scalar field theory

1 vote
1 answer
119 views

A question on Proca equation and real massive vector fields

1 vote
1 answer
170 views

Parity transformations and Dirac Spinor

1 vote
3 answers
170 views

Representation theory of $SU(2)$ and half-integer eigenvalues

1 vote
1 answer
211 views

On the S-Matrix and correlation functions

1 vote
1 answer
73 views

Derivative of OPEs in conformal field theory

1 vote
1 answer
74 views

Operator Product Expansions using the stress energy tensor

1 vote
0 answers
68 views

Summing over spins in QED and calculating the square of Feynman amplitudes

1 vote
1 answer
79 views

Smallest proposition given a state $\psi$

0 votes
1 answer
112 views

Showing that null geodesics are incomplete

0 votes
1 answer
77 views

Why does this volume integral vanish?

0 votes
2 answers
274 views

Polarisation of vector fields [closed]

0 votes
1 answer
59 views

Hamilonian as a sum of quantum oscillators with symmetric matrices

0 votes
1 answer
64 views

On the mass basis of the Dirac equation

0 votes
1 answer
97 views

On generators of $SO(2)$

0 votes
1 answer
182 views

Taking functional derivatives of generating functional

0 votes
1 answer
141 views

A question involving chiral transformations and gamma matrices

-1 votes
1 answer
46 views

Action of fermion fields on fermionic states