User Kris - Physics Stack Exchange

7 votes

2 answers

1k views

Physical observability of running couplings

asked Feb 13, 2017 at 11:24

5 votes

1 answer

986 views

Schwartz's book: Spinor-helicity formalism

asked Mar 20, 2016 at 22:07

4 votes

1 answer

247 views

How do we imagine the transition between phonons and rotons?

asked Dec 10, 2018 at 14:13

4 votes

1 answer

940 views

The Majorana condition and C violation

asked Jan 23, 2019 at 19:15

4 votes

1 answer

456 views

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

asked Apr 4, 2022 at 14:30

3 votes

0 answers

165 views

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

asked Sep 4, 2015 at 13:43

3 votes

2 answers

282 views

Physical meaning of projection operator acting on a quantum state

asked Oct 22, 2022 at 22:44

3 votes

0 answers

114 views

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

asked Jan 3 at 20:11

3 votes

0 answers

184 views

Antiparticles, CPT and leptogenesis

asked Jan 29, 2019 at 23:16

3 votes

1 answer

301 views

How does the CMB constrain the baryon asymmetry?

asked Jan 31, 2019 at 23:28

2 votes

1 answer

1k views

Why is the Higgs $CP$ even?

asked Feb 5, 2019 at 18:01

2 votes

3 answers

684 views

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

asked Mar 22, 2016 at 0:55

2 votes

1 answer

129 views

What determines the size of features on the CMB?

asked Mar 24, 2016 at 9:27

2 votes

2 answers

729 views

What are transverse momentum cuts for?

asked Apr 4, 2017 at 9:59

2 votes

0 answers

62 views

Why do vortices scatter at right-angles

asked Mar 29, 2016 at 14:24

2 votes

0 answers

51 views

Gauge mediated SUSY breaking

asked Apr 12, 2016 at 16:55

2 votes

0 answers

207 views

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

asked Feb 12, 2017 at 12:48

1 vote

0 answers

126 views

A box loop-integral [closed]

asked Mar 28, 2016 at 14:48

1 vote

0 answers

30 views

Forces in molecules (hydrogen molecular ion)

asked Apr 24, 2020 at 10:33

1 vote

0 answers

197 views

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

asked Jun 30, 2020 at 9:06

1 vote

0 answers

54 views

Complex fields and action in electrodynamics

asked Aug 9, 2021 at 9:59

1 vote

0 answers

33 views

Accelerating frame of reference, fermions and probability conservation

asked Mar 19 at 19:02

1 vote

3 answers

352 views

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

asked Nov 6, 2022 at 11:31

1 vote

1 answer

69 views

Gauge invariance in QED with just fermion transformations

asked Oct 2, 2023 at 13:19

1 vote

0 answers

40 views

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

asked Oct 21, 2023 at 13:46

1 vote

0 answers

68 views

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

asked May 25, 2022 at 22:34

0 votes

0 answers

354 views

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

asked May 1, 2022 at 8:12

0 votes

1 answer

180 views

Why does isospin symmetry survive chiral symmetry breaking?

asked Sep 5, 2023 at 21:55

0 votes

0 answers

13 views

Aqueous electrons in electrochemical cells

asked Mar 3 at 11:04

0 votes

0 answers

59 views

Why do Higgs decays depend on the production method?

asked Mar 21, 2016 at 13:51

Stack Exchange Network

31 Questions

Physical observability of running couplings

Schwartz's book: Spinor-helicity formalism

How do we imagine the transition between phonons and rotons?

The Majorana condition and C violation

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

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

Physical meaning of projection operator acting on a quantum state

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

Antiparticles, CPT and leptogenesis

How does the CMB constrain the baryon asymmetry?

Why is the Higgs $CP$ even?

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

What determines the size of features on the CMB?

What are transverse momentum cuts for?

Why do vortices scatter at right-angles

Gauge mediated SUSY breaking

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

A box loop-integral [closed]

Forces in molecules (hydrogen molecular ion)

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

Complex fields and action in electrodynamics

Accelerating frame of reference, fermions and probability conservation

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

Gauge invariance in QED with just fermion transformations

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

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

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

Why does isospin symmetry survive chiral symmetry breaking?

Aqueous electrons in electrochemical cells

Why do Higgs decays depend on the production method?