User Qmechanic - Physics Stack Exchange

bio	website	arXiv.org
	location	Europe
	age	47
visits	member for	2 years, 2 months
	seen	4 mins ago
stats	profile views	4,557

	17,457 reputation	bio	website	arXiv.org	visits	member for	2 years, 2 months
41748 badges		location	Europe		seen	4 mins ago

2

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1

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349

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Generators of the lorentz group

group-theory

mar 26 '12 at 20:31 BB73 11

2

votes

1

answer

132

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Derivative of quantities with internal indices

general-relativity differential-geometry

mar 11 '12 at 9:49 Dilaton 2,538

1

2

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1

answer

199

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How do I calculate the induced metric in the Gibbons–Hawking–York boundary term?

general-relativity boundary-terms

oct 3 at 19:03 Community♦ 1

1

2

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1

answer

244

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How should a heat current be defined for two component system with unequal numbers

thermodynamics

mar 12 '12 at 16:52 Community♦ 1

1

2

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1

answer

214

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Is Thirring model a particular case of Gross model?

field-theory spinors

sep 21 at 10:03 Community♦ 1

1

2

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1

answer

297

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Discrete point particles stress energy tensor

homework general-relativity point-particle

mar 1 '12 at 21:07 Alexey Bobrick 943

1

2

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1

answer

137

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A missing factor of 2 in the standard Hartree-Fock mean field?

operators second-quantization approximations

mar 8 '12 at 0:07 Lagerbaer 6,336

1

2

votes

2

answers

413

views

Why are anticommutators needed in quantization of Dirac fields?

quantum-field-theory

dec 26 '11 at 3:14 Ron Maimon 44.9k

1

2

votes

1

answer

86

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Cross sections and renormalization scheme

quantum-mechanics quantum-field-theory scattering

dec 21 '11 at 18:50 Luboš Motl 68.2k

1

2

votes

4

answers

252

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Why should the observed probability distributions in quantum mechanics always align with the pointer basis of decoherence?

quantum-interpretations

dec 19 '11 at 14:31 Raymond Adler 11

1

2

votes

1

answer

211

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Thermal energy generated due to loss in kinetic energy when observed from two different frames of reference

classical-mechanics energy newtonian-mechanics energy-conservation friction

dec 20 '11 at 20:13 Mark Eichenlaub 19.2k

2

votes

1

answer

254

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Difference between coordinate and proper distance in Schwarzschild geometry

general-relativity

dec 21 '11 at 10:56 John Rennie 44.4k

2

votes

0

answers

308

views

A question about Dirac operator

condensed-matter mathematics graphene

mar 20 '11 at 0:18 Joseph 103

2

votes

1

answer

237

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Why dynamic Casimir effect does not appear in static gravity field?

general-relativity vacuum equivalence-principle casimir-effect

nov 11 at 18:52 C J Tymczak 1

2

votes

1

answer

105

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Can non-free forces change the rest mass?

special-relativity forces mass mass-energy

jan 6 '12 at 6:05 anna v 26k

2

votes

2

answers

636

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Proof that Energy Momentum Tensor of Scalar Field Theory satisfies Weak Energy Condition

general-relativity energy spacetime field-theory

mar 9 '12 at 20:49 Community♦ 1

1

2

votes

1

answer

163

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what co-operates with a Super Symmetry Transform

supersymmetry

jan 13 '12 at 2:07 Ron Maimon 44.9k

2

votes

0

answers

123

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Using the area element in derivation of geodesic

general-relativity tensor-calculus

dec 23 '11 at 23:15 ben 292

1

2

votes

1

answer

416

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Help understanding a Magnetic Levitation “Physics Toy”

electromagnetism spin rotation

dec 29 '11 at 15:13 Qmechanic♦ 17.5k

2

votes

4

answers

315

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Reducing General Relativity to Special Relativity in limiting case

general-relativity special-relativity speed-of-light spacetime relativity

jan 1 '12 at 0:01 Harry Johnston 318

1

2

votes

0

answers

134

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Energy loss rate for periodic movement

electromagnetism

dec 26 '11 at 8:24 David Zaslavsky♦ 27.5k

3

2

votes

0

answers

154

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2nd law of thermodynamics: equivalency of statements

thermodynamics

jan 2 '12 at 13:04 0x2207 48

2

votes

2

answers

308

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How do you find conserved quantities for linear second order ODEs?

classical-mechanics mathematical-physics mathematics conservation-laws

jun 20 '11 at 0:21 Heidar 1,514

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2

votes

1

answer

557

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What is wrong with this reasoning on chemical potential?

thermodynamics

jul 6 '11 at 14:42 Ted Bunn 11.6k

3

2

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2

answers

234

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Why can't we set the lattice spacing 'a' in lattice QCD?

computational-physics computation lattice-model

sep 14 '11 at 19:03 Ron Maimon 44.9k

1

2

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1

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218

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p-adic quantum mechanic

mathematical-physics

dec 18 '11 at 4:53 joseph f. johnson 1,928

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2

votes

2

answers

2

kviews

How is the Breit-Rabi formula derived?

quantum-mechanics reference-request

apr 24 at 4:43 Magpie 298

2

votes

1

answer

214

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Violations of Dulong-Petit rule as an upper limit to heat capacity

thermodynamics degrees-of-freedom

jun 26 '11 at 17:45 Steve B 3,359

1

2

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0

answers

138

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Calculation of a Gravity Resonance Keyhole

gravity orbital-motion newtonian-gravity resonance celestial-mechanics

may 20 '11 at 12:55 Qmechanic♦ 17.5k

1

2

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2

answers

852

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Noether's theorem vs. Heisenberg uncertainty principle

uncertainty-principle noethers-theorem

sep 3 '11 at 5:40 Ron Maimon 44.9k

Qmechanic

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