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Top Questions
13
votes
How do we know from representation theory that a massless spin-1 particle has only two polarizations?
field-theory
gauge-theory
representation-theory
polarization
degrees-of-freedom
asked Jun 4, 2020 at 0:37
physics.stackexchange.com
11
votes
Chirality of the Electromagnetic Field Tensor
group-theory
group-representations
chirality
duality
asked Sep 20, 2018 at 5:26
physics.stackexchange.com
9
votes
What is dynamical symmetry breaking, exactly?
quantum-field-theory
symmetry
symmetry-breaking
asked Oct 3, 2018 at 7:57
physics.stackexchange.com
9
votes
About Itzykson and Zuber's proof of Goldstone's theorem
quantum-field-theory
particle-physics
hilbert-space
symmetry-breaking
goldstone-mode
asked Jun 17, 2021 at 5:45
physics.stackexchange.com
9
votes
Calculate representations of $SU(N)$ generators
equation-solving
performance-tuning
linear-algebra
asked Nov 1, 2017 at 6:37
mathematica.stackexchange.com
8
votes
What's the story behind 小間物屋を開く = to vomit?
colloquial-language
history
asked Mar 14, 2020 at 5:58
japanese.stackexchange.com
8
votes
Counting degrees of freedom in the Higgs mechanism for different gauges
gauge-theory
higgs
symmetry-breaking
gauge-invariance
degrees-of-freedom
asked Oct 17, 2018 at 5:01
physics.stackexchange.com
7
votes
Why are Japanese characters not used in equations?
history
mathematics
asked Sep 27, 2017 at 4:55
japanese.stackexchange.com
7
votes
How to calculate an axial anomaly in 1+1 dimensions?
symmetry
symmetry-breaking
quantum-anomalies
asked Dec 9, 2017 at 15:35
physics.stackexchange.com
7
votes
Politeness / Respectfulness / Humility / Formality
nuances
politeness
keigo
formality
asked Jun 21, 2019 at 9:26
japanese.stackexchange.com
1
2
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Top Answers
9
Why is it that the Callan-Gross relation predicts that quark has spin 1/2?
physics.stackexchange.com
7
Why is the momentum-space wavefunction for a free particle not a function of time?
physics.stackexchange.com
6
Divergence of a tensor product
physics.stackexchange.com
6
Trying to understand spin
physics.stackexchange.com
5
Where do Feynman Diagrams Appear for the first time?
physics.stackexchange.com
5
Srednicki LSZ reduction formula motivation once more
physics.stackexchange.com
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