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rainman
  • Member for 11 years, 2 months
  • Last seen this week
  • New Mexico, United States
28 votes
3 answers
11k views

Weyl Ordering Rule

27 votes
1 answer
16k views

Lorentz Invariant Integration Measure [closed]

20 votes
4 answers
11k views

How to derive source-free Maxwell's equations from the electromagnetic Lagrangian?

10 votes
1 answer
5k views

Generators of Poincare Groups

8 votes
2 answers
2k views

Number of the Generators of Poincare Group

8 votes
5 answers
2k views

$m$ in Klein-Gordon Equation

8 votes
4 answers
2k views

Hamiltonian Field Theory in Peskin & Schroeder

7 votes
2 answers
1k views

Rotation Group and Lorentz Group

7 votes
2 answers
2k views

Parallel Transport of a 4-vector

6 votes
1 answer
1k views

Reason behind canonical quantization in QFT?

6 votes
1 answer
2k views

$(1/2, 0)$ representation of the Lorentz Group $SO(1,3)$

5 votes
1 answer
1k views

Definition of Local Function

5 votes
3 answers
4k views

Square bracket notation for anti-symmetric part of a tensor

5 votes
1 answer
850 views

Quantization surface in QFT

5 votes
3 answers
688 views

Poincare Generators in terms of Position and Momentum

4 votes
1 answer
465 views

Confusion with Newton's Second Law : Position & Time Dependence of Force

4 votes
1 answer
247 views

Vacuum Structure of Schwinger Model

4 votes
2 answers
7k views

Light-cone coordinates

4 votes
3 answers
205 views

Reason for considering the positive root

4 votes
2 answers
1k views

Definition of Free field or Noninteracting field

4 votes
2 answers
2k views

Unitary spacetime translation operator

4 votes
1 answer
1k views

Most general Feynman diagram

4 votes
1 answer
407 views

Relation between symmetry factors

4 votes
1 answer
545 views

Pole of a free-particle propagator

4 votes
0 answers
584 views

Normalization of One-Particle States for Klein-Gordon Field Quantization

3 votes
1 answer
586 views

Generating Functional for Scalar Fields

3 votes
1 answer
2k views

Parity and the Dipole Operator for a Two-Level System

3 votes
1 answer
4k views

Formula for Symmetry Factor

3 votes
0 answers
727 views

Vacuum to vacuum transition amplitude [duplicate]

3 votes
1 answer
2k views

Transformation rule of a partial derivative