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Quantum symmetries that are not classical symmetries

Apr 21 '15 at 18:13 Tom Heinzl 670

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488

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Understanding the $\phi^4$ phase diagram

quantum-field-theory renormalization phase-transition

Feb 9 '16 at 6:32 DanielSank 19.9k

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899

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Calculating $\mathrm{Tr}[\log \Delta_F]$

quantum-field-theory path-integral casimir-effect trace functional-determinants

Mar 21 '18 at 3:11 Spencer Tamagni 876

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Superconductor symmetry breaking

superconductivity symmetry-breaking

Jan 27 '17 at 17:38 Community♦ 1

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903

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Renormalizing QED with on-shell fermions

quantum-field-theory quantum-electrodynamics renormalization

May 21 '15 at 7:42 Arya 11

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880

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Why does Landau theory not fail when dealing with a first order phase transition?

quantum-field-theory statistical-mechanics condensed-matter field-theory phase-transition

Apr 20 '16 at 14:32 Ruben Verresen 5,064

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819

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How does chirality of a massive fermion change with time?

quantum-field-theory particle-physics feynman-diagrams dirac-equation chirality

Dec 15 '16 at 13:31 Neuneck 8,534

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467

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Why do tadpoles contribute to amplitudes?

quantum-field-theory feynman-diagrams

Jun 16 '15 at 12:58 innisfree 13.3k

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Why is Bose-Einstein condensation a phase transition?

electromagnetism solid-state-physics bose-einstein-condensate

Feb 7 '15 at 18:47 Xcheckr 2,231

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532

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Hawking Radiation and Dark Energy

dark-energy hawking-radiation

Aug 6 '18 at 21:50 neill forrest 1

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168

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Expansion in $\epsilon$ in dimensional regularisation

quantum-field-theory asymptotics

Nov 29 '16 at 10:34 GRNS 73

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11 Favorites

Quantum symmetries that are not classical symmetries

Understanding the $\phi^4$ phase diagram

Calculating $\mathrm{Tr}[\log \Delta_F]$

Superconductor symmetry breaking

Renormalizing QED with on-shell fermions

Why does Landau theory not fail when dealing with a first order phase transition?

How does chirality of a massive fermion change with time?

Why do tadpoles contribute to amplitudes?

Why is Bose-Einstein condensation a phase transition?

Hawking Radiation and Dark Energy

Expansion in $\epsilon$ in dimensional regularisation