User David Bar Moshe - Physics Stack Exchange

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	7,647 reputation	bio	website		visits	member for	2 years, 2 months
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7

14

votes

1

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541

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Phase space volume and relativity

classical-mechanics special-relativity

jan 8 at 3:01 Nathaniel 6,149

5

12

votes

9

answers

444

views

How to explain (pedagogically) why there is 4 spacetime dimensions while we see only the 3 spatial dimesions?

feb 12 at 3:31 Terry Bollinger 5,259

10

12

votes

2

answers

124

views

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

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

9h ago SMeznaric 491

6

11

votes

0

answers

110

views

What is the status of Witten's and Vafa's argument that the QCD vacuum energy is a minimum for zero $\theta$ angle?

quantum-chromodynamics cp-violation instantons functional-determinants

mar 16 at 3:02 DJBunk 1,751

7

10

votes

2

answers

348

views

Gauge invariance and diffeomorphism invariance in Chern-Simons theory

quantum-field-theory gauge-theory topological-field-theory chern-simons-theory diffeomorphism-invariance

apr 3 at 17:39 Daniel Grumiller 1,691

3

10

votes

2

answers

410

views

Interpretation of “superqubits”

supersymmetry quantum-information bells-inequality

aug 24 at 9:59 Philip Gibbs 2,475

2

10

votes

1

answer

493

views

Exact energies of spherical harmonic oscillator in Dirac equation

harmonic-oscillator dirac-equation

apr 22 at 22:44 Ondřej Čertík 172

5

9

votes

0

answers

224

views

How can two time theories be compactified to 3+1 without any Kaluza-Klein remnants

time gauge-theory dimensions compactification

dec 11 at 17:03 Jerry Schirmer 10.4k

3

8

votes

1

answer

331

views

Schwinger representation of operators for n-particle 2-mode symmetric states

quantum-mechanics mathematical-physics research-level group-theory group-representations

aug 20 at 23:58 Community♦ 1

4

8

votes

0

answers

121

views

Compactifying on a circle and the exchange of R and NS sectors

string-theory fermions compactification kaluza-klein

mar 23 at 1:20 user404153 835

4

8

votes

1

answer

83

views

Radial quantization and infrared divergences

renormalization conformal-field-theory

mar 26 at 12:06 Luboš Motl 67.5k

6

8

votes

1

answer

224

views

Did the Feynman heuristic of “simple effects have simple causes” fail for spin statistics?

quantum-field-theory particle-physics quantum-electrodynamics spin

mar 28 at 13:54 Jacques 11

4

8

votes

1

answer

145

views

Correlated three-particle Green Function

quantum-field-theory many-body greens-functions wick-theorem

may 3 at 19:09 Slaviks 1,882

4

8

votes

1

answer

182

views

What is the “BCS Cooper pair condensation” as a physical phenomenon in terms of experiments?

research-level condensed-matter superconductivity topological-order superfluidity

apr 24 at 0:17 Gugg 2,132

5

7

votes

0

answers

318

views

About defining “baryons” and “mesons”

quantum-field-theory particle-physics string-theory supersymmetry superconformality

may 14 at 18:08 user6818 728

5

7

votes

1

answer

194

views

Clarification on “central charge equals number of degrees of freedom”

string-theory conformal-field-theory degrees-of-freedom brst ghosts

oct 4 at 11:50 David Bar Moshe 7,647

3

7

votes

0

answers

304

views

Wick rotation and spinors

quantum-field-theory group-representations wick-rotation

feb 21 '12 at 12:31 toot 726

2

6

votes

3

answers

556

views

Does the uncertainty principle apply to photons?

quantum-mechanics photons uncertainty-principle wave-particle-duality

aug 26 at 19:47 Alec S 847

2

6

votes

2

answers

209

views

Dynamical supersymmetry breaking and Witten index

particle-physics reference-request supersymmetry symmetry-breaking

nov 29 at 15:40 user1504 3,784

5

6

votes

0

answers

139

views

Does local physics depend on global topology?

quantum-mechanics quantum-field-theory general-relativity quantum-gravity ads-cft

feb 20 at 17:39 joshphysics 9,363

4

6

votes

0

answers

104

views

Is there a “covariant derivative” for conformal transformation?

conformal-field-theory

2d ago Learning is a mess 352

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

2

6

votes

2

answers

146

views

From Lagrangian to Hamiltonian in Fermionic Model

hamiltonian-formalism field-theory fermions constrained-dynamics

mar 29 at 23:42 Qmechanic♦ 17.1k

5

6

votes

1

answer

74

views

Do instantons support quantum bound states?

quantum-field-theory gauge-theory topological-field-theory instantons solitons

mar 26 at 10:48 Luboš Motl 67.5k

5

votes

1

answer

118

views

Correlators in String Theory (Green Schwarz Witten)

string-theory

mar 26 at 12:54 Luboš Motl 67.5k

4

5

votes

2

answers

86

views

What is a physical example of a Saddle-Node Bifurcation?

non-linear-dynamics dynamics

may 3 at 9:37 Wouter 983

2

5

votes

0

answers

118

views

How does Haldane conjecture follow from the topological $\Theta$ term

quantum-field-theory condensed-matter topological-field-theory

apr 10 at 13:56 Everett You 962

3

5

votes

1

answer

84

views

How can an asymptotic expansion give an extremely accurate predication, as in QED?

quantum-electrodynamics perturbation-theory

may 1 at 14:12 user1504 3,784

2

5

votes

1

answer

80

views

$SU(N)$ Neel manifold

condensed-matter lattice-model

may 13 at 2:50 levitopher 832

2

5

votes

0

answers

110

views

Local explanation of the Aharonov-Bohm effect in terms of force fields

quantum-mechanics electromagnetism research-level entanglement

mar 15 at 3:29 Mark Mitchison 1,691

David Bar Moshe

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