Arnold Neumaier

14,161 reputation

1742

bio	website	mat.univie.ac.at/~neum
	location	Vienna, Austria
	age
visits	member for	1 year, 3 months
	seen	Dec 8 '12 at 10:35
stats	profile views	3,357

Some physics material I wrote:

A theoretical physics FAQ

Classical and Quantum Mechanics via Lie algebras

Renormalization without infinities - an elementary tutorial

Classical and quantum field aspects of light

Optical models for quantum mechanics

Molecular modeling of proteins and mathematical prediction of protein structure

	14,161 reputation	bio	website	mat.univie.ac.at/~neum	visits	member for	1 year, 3 months
1742 badges		location	Vienna, Austria		seen	Dec 8 '12 at 10:35

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33 Favorites

added views newest activity votes

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answer

kviews

Book recommendations [closed]

books faq

may 3 at 3:08 David Zaslavsky♦ 28.1k

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906

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What are the justifying foundations of statistical mechanics without appealing to the ergodic hypothesis?

feb 12 at 17:20 joseph f. johnson 2,077

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kviews

A pedestrian explanation of conformal blocks

mathematical-physics condensed-matter conformal-field-theory research-level

may 29 '12 at 20:19 Xiao-Gang Wen 3,026

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answers

939

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Does a photon have a rest frame?

special-relativity speed-of-light photons

feb 26 at 19:54 William Neill 90

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answer

487

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Difference between 1PI effective action and Wilsonian effective action

quantum-field-theory

dec 7 '11 at 22:40 Heidar 1,554

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answer

384

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Correlation function which has branch cut in momentum space

quantum-field-theory correlation-function

jun 7 '12 at 0:41 Ron Maimon 45.5k

votes

answer

303

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About Turbulence modeling

fluid-dynamics lagrangian-formalism hamiltonian-formalism turbulence navier-stokes

jun 11 at 10:25 Community♦ 1

votes

answers

609

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What is the difference between a spinor and a vector or a tensor?

dirac-equation tensors representation-theory spinors

may 2 at 17:14 Brandon Enright 3,261

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answers

152

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Boy and box on ice

homework newtonian-mechanics forces friction

nov 28 at 18:36 Martin Gales 1,188

votes

answer

120

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The notion called aether

classical-mechanics special-relativity history aether

oct 29 at 14:55 Dmitry Brant 1,441

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answer

299

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Why does the sun “shine brighter” some days?

visible-light sun atmosphere earth

nov 29 at 15:16 Michael Luciuk 2,583

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answer

262

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what is the relationship between these two sorts of anomalies?

quantum-field-theory anomaly

aug 19 at 14:31 David Bar Moshe 7,865

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answers

132

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Semiclassical QED and long-range interaction

quantum-field-theory electromagnetism soft-question classical-electrodynamics

jun 5 '12 at 0:33 Jorge Campos 369

votes

answers

346

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How can some-one independently do research in particle physics?

particle-physics soft-question education physics-careers

nov 28 at 18:03 anna v 26.8k

votes

answer

175

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Naive question about time-dependent perturbation theory

quantum-mechanics perturbation-theory

dec 6 at 21:52 Luboš Motl 71.7k

votes

answers

319

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Path integral and geometric quantization

quantum-field-theory path-integral quantization chern-simons-theory

oct 30 at 16:21 David Bar Moshe 7,865

votes

answers

234

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Jupiter Core is Solid Hydrogen

pressure hydrogen jupiter

jan 31 at 2:22 user20417 1

votes

answer

269

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Feynman diagrams and Hartree-Fock

quantum-mechanics condensed-matter feynman-diagram many-body

nov 4 at 1:08 Thomas 436

votes

answers

308

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Why are continuum fluid mechanics accurate when constituents are discrete objects of finite size?

fluid-dynamics models continuum-mechanics approximations scales

feb 16 '12 at 14:35 Willie Wong 3,019

votes

answer

181

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Why is there a hiss sound when water falls on a hot surface?

experimental-physics water acoustics evaporation

sep 28 at 18:35 Mark J 164

votes

answer

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Random Hankel matrix and eigenvalues distribution

linear-algebra eigenvalue

sep 13 at 6:05 AcidFlask 148

votes

answers

153

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Symmetrizing the Canonical Energy-Momentum Tensor

symmetry noethers-theorem stress-energy-tensor energy-momentum-tensor

sep 19 at 14:59 Qmechanic♦ 18k

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answers

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Superstring theory and renormalization [duplicate]

string-theory renormalization

oct 16 at 8:11 Qmechanic♦ 18k

votes

answers

511

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Which physically acceptable quantum interpretations do not require the existence of any observer at all?

quantum-mechanics quantum-interpretations

jun 28 '12 at 20:57 David Zaslavsky♦ 28.1k

votes

answer

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How would a semi-classical particle react to the double slit experiment?

quantum-mechanics double-slit-experiment

jul 7 '12 at 6:35 David Zaslavsky♦ 28.1k

votes

answer

128

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Other Gross-Neveu like theories?

quantum-field-theory supersymmetry string superconformality

may 6 at 4:36 Manishearth♦ 8,182

vote

answers

views

Understanding Resonance States in Condensed Matter

quantum-mechanics condensed-matter

oct 1 at 18:19 Josh 64

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answers

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When do the von Neumann projections occur and what causes them?

quantum-mechanics reference-request wavefunction-collapse

sep 18 at 21:30 A.O.Tell 435

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answer

125

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What do I call the inverse of a propagator?

quantum-field-theory terminology action

aug 30 at 22:45 Qmechanic♦ 18k

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answers

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Wilsonian vs 1PI

quantum-field-theory renormalization effective-action

oct 19 at 4:19 Qmechanic♦ 18k