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Kris
  • Member for 8 years, 5 months
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5 votes
1 answer
931 views

Schwartz's book: Spinor-helicity formalism

5 votes
2 answers
877 views

Physical observability of running couplings

4 votes
1 answer
224 views

How do we imagine the transition between phonons and rotons?

4 votes
1 answer
833 views

The Majorana condition and C violation

4 votes
1 answer
321 views

How to derive the Unruh effect (or the thermofield double state) from the path integral?

3 votes
0 answers
158 views

Is the right-handed antineutrino the CPT conjugate of the left-handed neutrino?

3 votes
0 answers
91 views

How does Schwinger get the QED effective action in source theory?

3 votes
0 answers
173 views

Antiparticles, CPT and leptogenesis

3 votes
1 answer
267 views

How does the CMB constrain the baryon asymmetry?

2 votes
1 answer
1k views

Why is the Higgs $CP$ even?

2 votes
2 answers
655 views

What are transverse momentum cuts for?

2 votes
0 answers
61 views

Why do vortices scatter at right-angles

2 votes
0 answers
49 views

Gauge mediated SUSY breaking

2 votes
0 answers
197 views

How is $\mu$ the same as a renormalisation scale?

2 votes
3 answers
637 views

Baryonic acoustic oscillations: Why are there standing waves in the CMB?

2 votes
1 answer
125 views

What determines the size of features on the CMB?

2 votes
2 answers
226 views

Physical meaning of projection operator acting on a quantum state

1 vote
3 answers
320 views

A simple counter-example to the no-communication theorem? [duplicate]

1 vote
1 answer
63 views

Gauge invariance in QED with just fermion transformations

1 vote
0 answers
34 views

Why is it justified to focus on gauge transformations constant at spatial infinity in QCD instantons?

1 vote
0 answers
68 views

Why is the Hubble law so accurate at scales smaller than galactic voids?

1 vote
0 answers
123 views

A box loop-integral [closed]

1 vote
0 answers
30 views

Forces in molecules (hydrogen molecular ion)

1 vote
0 answers
184 views

What happens to $\theta_{CP}$ for ${\rm U}(1)$ in the Standard Model?

1 vote
0 answers
54 views

Complex fields and action in electrodynamics

0 votes
0 answers
58 views

Why do Higgs decays depend on the production method?

0 votes
0 answers
164 views

Entropy and perturbation theory

0 votes
0 answers
330 views

Why can't we do this to reach absolute zero?

0 votes
1 answer
152 views

Why does isospin symmetry survive chiral symmetry breaking?