Skip to main content
Craig's user avatar
Craig's user avatar
Craig's user avatar
Craig
  • Member for 5 years, 7 months
  • Last seen this week
9 votes
3 answers
1k views

Momentum Operator in curved spacetime (QFT)

6 votes
2 answers
176 views

Can non-inertial/fictitious forces be understood as covariant derivatives?

5 votes
0 answers
173 views

Can one build Wilson lines in general relativity?

4 votes
2 answers
420 views

How do we decide the proton wave function?

4 votes
2 answers
736 views

What is the relationship between the Lorentz group and the $CL(1,3)$ algebra?

4 votes
2 answers
602 views

Does it really make sense to talk about the color of gluons?

4 votes
1 answer
699 views

Understanding Measure in Path integrals

4 votes
1 answer
521 views

Is color charge quantized?

3 votes
1 answer
185 views

Can one find Dirac matrices for any spacetime metric?

3 votes
1 answer
229 views

Gauge fixing: Overcounting vs Inversion of Operator

3 votes
0 answers
76 views

What would a universe with a long range weak force look like?

3 votes
0 answers
142 views

How do we show that gluon-fields have color?

3 votes
1 answer
136 views

Motivation for tensor theory of gravity

3 votes
0 answers
138 views

Is the real spinor representation of the Lorentz group irreducible?

2 votes
1 answer
217 views

Does the CPT theorem imply $CP=T$?

2 votes
0 answers
83 views

On the physics of representations of the Lorentz group over real vs. complex vector spaces

2 votes
0 answers
92 views

Are representations of (bosonic) Lie groups over Grassmann variables well understood?

2 votes
1 answer
246 views

Why do vectors appear to transform like rank-2 tensors in the Clifford algebra representation?

2 votes
2 answers
177 views

Finding the Green function of an operator in QFT

2 votes
1 answer
98 views

What does Baym mean here in his Lecture on Identical Particles?

2 votes
1 answer
87 views

Looking for an understanding of Toroidal Moments [duplicate]

2 votes
0 answers
67 views

Can the Fock-Schwinger (radial) gauge condition be written as momentum space divergence?

2 votes
1 answer
133 views

How to think about color charged objects

1 vote
1 answer
720 views

How to Construct Proper Spherical Coordinates in Minkowski Spacetime?

1 vote
0 answers
96 views

Why do like charges repel in a spin-1 gauge theory, while they attract in spin-2 theories?

1 vote
1 answer
114 views

Imposing reality conditions to constrain the complexified Lorentz Algebra

1 vote
1 answer
125 views

What are the real Electromagnetic fields of Circularly Polarized Light?

1 vote
2 answers
200 views

How do we show that for massless fermions, Helcity and Chirality align?

1 vote
1 answer
158 views

How many real degrees of freedom do Euclidean spinors have in 3D Euclidean space?

1 vote
1 answer
95 views

Physical Analogs of General relativity and optics