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Craig
  • Member for 3 years, 11 months
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9 votes
3 answers
919 views

Momentum Operator in curved spacetime (QFT)

4 votes
2 answers
585 views

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

4 votes
2 answers
552 views

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

4 votes
1 answer
499 views

Understanding Measure in Path integrals

3 votes
1 answer
324 views

Is color charge quantized?

3 votes
1 answer
164 views

Can one find Dirac matrices for any spacetime metric?

3 votes
1 answer
172 views

Gauge fixing: Overcounting vs Inversion of Operator

3 votes
0 answers
68 views

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

3 votes
0 answers
132 views

How do we show that gluon-fields have color?

3 votes
2 answers
241 views

How do we decide the proton wave function?

3 votes
1 answer
123 views

Motivation for tensor theory of gravity

3 votes
0 answers
63 views

Is the real spinor representation of the Lorentz group irreducible?

2 votes
1 answer
152 views

Does the CPT theorem imply $CP=T$?

2 votes
0 answers
44 views

Frobenius-Schur indicator for Lorentz Group?

2 votes
1 answer
196 views

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

2 votes
2 answers
157 views

Finding the Green function of an operator in QFT

2 votes
1 answer
75 views

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

2 votes
0 answers
88 views

What causes the degrees of freedom to be halved for Majorana fermions?

2 votes
1 answer
70 views

Looking for an understanding of Toroidal Moments [duplicate]

2 votes
1 answer
120 views

How to think about color charged objects

1 vote
0 answers
72 views

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

1 vote
1 answer
88 views

What are the real Electromagnetic fields of Circularly Polarized Light?

1 vote
2 answers
59 views

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

1 vote
1 answer
89 views

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

1 vote
1 answer
71 views

Imposing reality conditions to constrain the complexified Lorentz Algebra

1 vote
1 answer
69 views

Physical Analogs of General relativity and optics

1 vote
0 answers
43 views

Swapping labels vs. particles in wavefunctions

1 vote
0 answers
29 views

Are there known expressions for the running of $\alpha_{em}(Q^2)$ and $\sin^2(\theta_{W})$?

1 vote
0 answers
56 views

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

1 vote
1 answer
85 views

Regarding the action of Time reversal on Dirac spinors