User quanta

5 votes

1 answer

872 views

Why Conserved Current Should Not Need Renormalization?

asked Dec 16, 2015 at 23:27

1 vote

0 answers

749 views

How do I derive Feynman rules for vectors involving derivatives?

asked Oct 22, 2015 at 0:26

3 votes

1 answer

288 views

Classical Field Theory Using Geometry

asked Sep 11, 2015 at 0:54

2 votes

2 answers

1k views

Fierz Reordering of Gamma Matrices and Spinors

asked Aug 14, 2015 at 8:43

1 vote

1 answer

256 views

Feynman rule for current-current operators

asked Aug 12, 2015 at 8:57

3 votes

1 answer

700 views

How can we calculate pion decay constant in Chiral Perturbation Theory?

asked Aug 4, 2015 at 0:00

2 votes

0 answers

587 views

Isospin In Kaon Decay

asked Jul 7, 2015 at 20:24

2 votes

0 answers

710 views

How do the renormalization enter the actual amplitude calculation in QFT?

asked Jul 3, 2015 at 21:00

2 votes

0 answers

506 views

Mass and wave function renormalization In chiral perturbation theory

asked Jul 3, 2015 at 20:34

4 votes

1 answer

2k views

Renormalization Using Momentum Cut-off Regularization, What Are The Subtraction Schemes Used?

asked May 31, 2015 at 1:17

4 votes

0 answers

161 views

Matrix elements of four-quark operators [closed]

asked May 15, 2015 at 3:55

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11 Questions

Why Conserved Current Should Not Need Renormalization?

How do I derive Feynman rules for vectors involving derivatives?

Classical Field Theory Using Geometry

Fierz Reordering of Gamma Matrices and Spinors

Feynman rule for current-current operators

How can we calculate pion decay constant in Chiral Perturbation Theory?

Isospin In Kaon Decay

How do the renormalization enter the actual amplitude calculation in QFT?

Mass and wave function renormalization In chiral perturbation theory

Renormalization Using Momentum Cut-off Regularization, What Are The Subtraction Schemes Used?

Matrix elements of four-quark operators [closed]