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Diracology
  • Member for 9 years, 5 months
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40 votes
2 answers
3k views

What is this sort of abstract rainbow?

13 votes
1 answer
3k views

Feynman's wobbling plate

10 votes
1 answer
1k views

Are there necessary and sufficient conditions for ergodicity?

9 votes
1 answer
1k views

How to properly use Perturbation Theory in classical systems?

8 votes
3 answers
545 views

Why are pulsar's radiation beams collimated?

7 votes
3 answers
6k views

Wave speed of a hanging rope

7 votes
1 answer
538 views

Why is Seiberg duality called an electromagnetic duality?

7 votes
2 answers
2k views

Why only even powers of the order parameter in the Ginzburg-Landau theory for superconductivity

7 votes
1 answer
450 views

Does every superfluid have a normal and a superfluid component?

7 votes
1 answer
917 views

How to understand spinors in 1+1 spacetime?

6 votes
4 answers
758 views

Why does not the central force $-1/r^4$ violate Bertrand's theorem?

6 votes
2 answers
568 views

Is diamagnetism a static or dynamic effect?

5 votes
3 answers
3k views

What is a nonlinear manifold?

5 votes
1 answer
11k views

Solving the harmonic oscillator by using Hamilton-Jacobi formalism

4 votes
0 answers
140 views

What is the relation between the Gribov problem and color confinement?

4 votes
1 answer
1k views

What is the intuition for topological currents?

3 votes
2 answers
246 views

Is every constraint involving only two coordinates integrable?

3 votes
0 answers
151 views

Which of the Wightman axioms are not incorporated by four dimensional quantum Yang-Mills?

3 votes
2 answers
690 views

Why doesn't infrared slavery provide a proof for quark confinement?

2 votes
0 answers
256 views

Does negative absolute temperature imply heat engine efficiency greater than one?

2 votes
1 answer
292 views

What is the value of the mass gap in QCD?

2 votes
1 answer
314 views

Proof of Noether's theorem: How to deal with transformations in time?

2 votes
5 answers
284 views

Can a conservative force not conserve mechanical energy because of explicit time dependence?

2 votes
0 answers
143 views

Harmonic and subharmonic orbits in central fields

2 votes
0 answers
364 views

Why does the magnetization of type I superconductors vanish above the critical field

2 votes
3 answers
992 views

Clausius statement of the 2nd Law

1 vote
0 answers
52 views

Why should the potential of a non-relativistic isolated system be velocity independent?

1 vote
0 answers
125 views

Tunneling electrons through a Josephson juction

1 vote
4 answers
371 views

Why is it much more difficult to horizontally throw a toy balloon than a football?

1 vote
1 answer
179 views

How to raise and lower indices of field equations in curvilinear coordinates?