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ann marie cœur
  • Member for 8 years, 3 months
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13 votes
1 answer
703 views

If the classical Maxwell theory describes E&M fairly, how well-done is the classical Yang-Mills theory for chromodynamics?

7 votes
3 answers
1k views

Quantum Anomalies for Bosons

7 votes
1 answer
267 views

Non-abelian string in QCD?

7 votes
3 answers
435 views

Are neutrons gauge neutral to all gauge forces?

7 votes
2 answers
2k views

Primordial black hole vs. black hole

6 votes
2 answers
396 views

Complex Lie algebra vs Real Lie algebra in Physics

6 votes
0 answers
414 views

Weyl transformation vs diffeomorphism; conformal invariant vs general in/covariant

6 votes
1 answer
356 views

Electric dipole moment (EDM) and magnetic dipole moment (MDM): CP violation in neutron

5 votes
3 answers
337 views

WHY BRST formulation works: Conditions imposed on QFT to find (how many) BRST parameters

5 votes
2 answers
235 views

Paul Dirac on Dimensionless Physical Constants and $\alpha\sim\frac{1}{137}$

5 votes
7 answers
1k views

Do the "colors" live in a 3-dimensional vector space? [closed]

5 votes
1 answer
118 views

Coleman–Mandula theorem and its assumptions on QFT

5 votes
1 answer
448 views

$SU(5)$ representation and higher anti-symmetric traces

5 votes
1 answer
80 views

Internal flavor symmetry of the $N$ left-handed complex Weyl spinors v.s. $N$ real Majorana spinors: ${\rm U}(N)$ vs. ${\rm O}(2N)$ or ${\rm O}(N)$

5 votes
1 answer
311 views

How to classifies the distinct "plasma" phases of matter?

5 votes
2 answers
794 views

Effects of Topological Terms: Hopf, $\Theta$, Chern-Simons, WZW, Berry phase term

5 votes
2 answers
252 views

Construct an $SO(3)$ rotation inside two $SU(2)$ fundamental rotations

5 votes
0 answers
119 views

Comparison between $U(1)$, $SU(N)$ and $SO(N)$ instantons

5 votes
1 answer
230 views

Nonrenormalizable but quantizable theory: gravity?

4 votes
0 answers
69 views

Zee Chapter VII.5: Can the fermion $10$ be the composite of fermion $5^*$?

4 votes
0 answers
71 views

Figure of $SO(10)$ grand unified theory in $E_6$ from Wikipedia

4 votes
1 answer
357 views

Real Majorana wavefunction / field: What is the big deal?

4 votes
1 answer
245 views

2D anomaly-free condition for a gauge theory

4 votes
0 answers
91 views

Ghost in quantum many body systems

4 votes
1 answer
181 views

U(1) Dirac string moved to the SU(2) or SO(3) gauge theory

4 votes
1 answer
278 views

Symmetry breaking of $SO(10)$ or $Spin(10)$

4 votes
1 answer
86 views

Elegant theoretical way(s) to prove the $U(1)$ electric charge of electron + proton $Q_e+Q_p=0$?

4 votes
0 answers
83 views

$\rm SO(10)$ grand unified model restores the parity symmetry lost in $\rm SU(5)$ model

4 votes
0 answers
169 views

Legal values of quantum field can take? $\mathbb{R}$, $\mathbb{C}$, $\mathbb{H}$, ..?

4 votes
1 answer
175 views

Is it accidental or deeply meaningful that the Higgs and the left-handed lepton have the same quantum numbers?

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