User ann marie cœur

14 votes

1 answer

853 views

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

asked Sep 29, 2017 at 21:09

10 votes

7 answers

2k views

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

asked Apr 1, 2021 at 22:46

9 votes

0 answers

1k views

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

asked Oct 11, 2020 at 18:19

8 votes

1 answer

1k views

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

asked Dec 26, 2020 at 23:30

8 votes

3 answers

2k views

Primordial black hole vs. black hole

asked Feb 11, 2021 at 0:27

8 votes

3 answers

479 views

Are neutrons gauge neutral to all gauge forces?

asked Apr 1, 2020 at 2:31

7 votes

2 answers

1k views

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

asked Oct 16, 2017 at 2:45

7 votes

3 answers

1k views

Quantum Anomalies for Bosons

asked Mar 21, 2014 at 2:22

7 votes

1 answer

310 views

Non-abelian string in QCD?

asked Jun 18, 2017 at 0:57

6 votes

1 answer

1k views

Boundary (Anti)Periodic conditions and fermion partition functions

asked Oct 25, 2020 at 4:11

6 votes

3 answers

635 views

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

asked Oct 6, 2020 at 20:59

6 votes

2 answers

1k views

Complex Lie algebra vs Real Lie algebra in Physics

asked Oct 10, 2020 at 22:15

5 votes

2 answers

511 views

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

asked Mar 5, 2021 at 0:37

5 votes

1 answer

192 views

Coleman–Mandula theorem and its assumptions on QFT

asked Apr 16, 2021 at 5:29

5 votes

1 answer

425 views

How to classifies the distinct "plasma" phases of matter? [duplicate]

asked Oct 30, 2016 at 22:56

5 votes

2 answers

291 views

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

asked Apr 21, 2018 at 23:02

5 votes

0 answers

143 views

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

asked Jun 18, 2018 at 0:41

5 votes

1 answer

234 views

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

asked Jul 23, 2018 at 19:43

5 votes

1 answer

621 views

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

asked Aug 1, 2018 at 22:08

5 votes

1 answer

115 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 ${\rm O}(N)$

asked Apr 5, 2020 at 0:32

5 votes

0 answers

150 views

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

asked Jul 21, 2020 at 4:23

5 votes

0 answers

95 views

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

asked Jun 6, 2021 at 21:43

5 votes

1 answer

264 views

Nonrenormalizable but quantizable theory: gravity?

asked Jun 13, 2021 at 21:02

4 votes

0 answers

75 views

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

asked Jun 20, 2021 at 18:41

4 votes

1 answer

125 views

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

asked Jul 16, 2020 at 20:48

4 votes

0 answers

245 views

Lattice model realization of $SU(2)$ WZW model at level $k$?

asked Dec 30, 2018 at 0:29

4 votes

0 answers

187 views

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

asked May 28, 2019 at 0:46

4 votes

1 answer

454 views

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

asked Jul 30, 2018 at 21:06

4 votes

1 answer

306 views

2D anomaly-free condition for a gauge theory

asked Jul 17, 2018 at 3:36

4 votes

0 answers

109 views

Ghost in quantum many body systems

asked Jul 22, 2018 at 21:46

Stack Exchange Network

180 Questions

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

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

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

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

Primordial black hole vs. black hole

Are neutrons gauge neutral to all gauge forces?

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

Quantum Anomalies for Bosons

Non-abelian string in QCD?

Boundary (Anti)Periodic conditions and fermion partition functions

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

Complex Lie algebra vs Real Lie algebra in Physics

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

Coleman–Mandula theorem and its assumptions on QFT

How to classifies the distinct "plasma" phases of matter? [duplicate]

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

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

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

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

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 ${\rm O}(N)$

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

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

Nonrenormalizable but quantizable theory: gravity?

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

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

Lattice model realization of $SU(2)$ WZW model at level $k$?

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

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

2D anomaly-free condition for a gauge theory

Ghost in quantum many body systems