User Qmechanic - Physics Stack Exchange

bio	website	arXiv.org
	location	Europe
	age	47
visits	member for	2 years, 2 months
	seen	12 mins ago
stats	profile views	4,448

	17,152 reputation	bio	website	arXiv.org	visits	member for	2 years, 2 months
41648 badges		location	Europe		seen	12 mins ago

2

8

votes

1

answer

85

views

Hawking Radiation as Tunneling

8h ago twistor59 6,739

1

0

votes

0

answers

32

views

Some questions about the edge states for time-reversal invariant topological superconductors?

condensed-matter symmetry superconductivity topological-insulators electronic-band-theory

12h ago K-boy 380

1

vote

0

answers

20

views

Explain the Föppl–von Kármán equations

elasticity continuum-mechanics non-linear-dynamics

1d ago Qmechanic♦ 17.2k

9

13

votes

2

answers

141

views

Is every quantum measurement reducible to measurements of position and time?

quantum-mechanics quantum-interpretations measurement-problem path-integral observables

1d ago SMeznaric 491

4

17

votes

1

answer

249

views

Does a charged or rotating black hole change the genus of spacetime?

general-relativity topology

21h ago Chay Paterson 194

2

votes

0

answers

89

views

Quantum field theory alternatives

quantum-field-theory

2d ago Stefan Bischof 547

4

6

votes

0

answers

108

views

Is there a “covariant derivative” for conformal transformation?

conformal-field-theory

may 16 at 19:52 Learning is a mess 352

1

vote

1

answer

52

views

Topological vs. non-topological noetherian charges

symmetry charge noethers-theorem topology discrete

may 15 at 22:36 Qmechanic♦ 17.2k

7

20

votes

3

answers

788

views

From where (in space-time) does Hawking radiation originate?

black-holes hawking-radiation

may 14 at 13:18 Ron Maimon 44.8k

1

4

votes

2

answers

82

views

What would happen if energy was conserved but phase space volume wasn't? (and vice-versa)

statistical-mechanics energy-conservation hamiltonian-formalism phase-space

may 14 at 22:44 Jan Lalinsky 21

2

1

vote

2

answers

39

views

Base quantities and charges

units color-charge

may 14 at 16:52 Emilio Pisanty 7,011

1

2

votes

0

answers

39

views

What is the minimum non-integer dimension for which the XY model shows a phase transition? (if well-defined)

statistical-mechanics

may 14 at 12:44 Ikiperu 71

1

vote

1

answer

60

views

Why doesn't one-photon-irreducible function have any pole at $q^2=0$?

quantum-field-theory

may 14 at 8:18 Luboš Motl 67.6k

2

6

votes

2

answers

144

views

Why does the quantum Heisenberg model become the classical one when $S\to\infty$?

quantum-mechanics homework condensed-matter

may 13 at 15:43 wsc 2,688

1

vote

0

answers

64

views

Fermi level for the bulk of topological insulator

condensed-matter

may 15 at 6:11 hlew 328

2

5

votes

0

answers

65

views

Why is there no UV catastrophe (divergence) in turbulence?

fluid-dynamics turbulence

may 13 at 21:08 Dilaton 2,461

1

2

votes

0

answers

49

views

Mass spectrum of Type I string theory

string-theory supersymmetry

may 13 at 16:11 dimension10 140

1

2

votes

3

answers

85

views

Spherical inversion in terms of special conformal transformation

conformal-field-theory

may 14 at 11:12 Peter Kravchuk 656

2

3

votes

1

answer

86

views

A corollary of Mermin-Wagner Theorem

condensed-matter

may 14 at 10:04 Norbert Schuch 717

2

3

votes

3

answers

112

views

Physical interpretation of Poisson bracket properties

classical-mechanics hamiltonian-formalism poisson-brackets

may 13 at 14:43 Ikiperu 71

1

3

votes

1

answer

36

views

Parametrization of $U(N)$ non-linear sigma model

quantum-field-theory particle-physics sigma-models

may 13 at 9:35 David Bar Moshe 7,647

2

votes

0

answers

41

views

Mathematical equivalence between Liénard-Wiechert potential and 4-potential in Rindler coordinates

electromagnetic-radiation lienard-wiechert

may 13 at 0:58 Emilio Pisanty 7,011

3

8

votes

2

answers

162

views

How to prove equivalence of RG flow of QFT coupling constant and diagrammatic resummation at fixed renormalization scale?

quantum-field-theory renormalization feynman-diagram

may 12 at 22:20 Ikiperu 71

2

3

votes

2

answers

109

views

How to prove that the generator of proper vertices is the Legendre transform of $W(j) = \log \frac{Z[j]}{Z[0]}$

quantum-field-theory

may 13 at 5:05 Ikiperu 71

1

3

votes

1

answer

62

views

Spectra of the Type II String theories

quantum-field-theory string-theory supersymmetry

may 12 at 11:59 Olof 692

3

6

votes

1

answer

73

views

Motivation for the Deformed Nekrasov Partition Function

quantum-field-theory mathematical-physics statistical-mechanics conformal-field-theory

may 12 at 4:57 Yuji 1,522

3

9

votes

1

answer

254

views

How do I find constraints on the Nambu-Goto Action?

string-theory constrained-dynamics string

may 14 at 20:57 Jonathan Gleason 1,306

2

0

votes

2

answers

51

views

Electron in an infinite potential well

quantum-mechanics homework wavefunction schrodinger-equation potential

may 11 at 16:52 firtree 618

3

votes

0

answers

46

views

Bohr-sommerfeld quatnization from the WKB approximation

quantization

may 11 at 12:06 Jose Javier Garcia 1,142

2

votes

0

answers

38

views

Construction of the supergravity side explicitly in gauge/gravity dualities

string-theory ads-cft supergravity

may 11 at 8:21 Debangshu 165

Qmechanic

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