Physics

Revival

 Revival
Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.

earned this badge 30 times.
Writing the metric of 4D de Sitter space as a 5D metric
Awarded May 27 at 2:48
Matrix element of the currents associated with the broken generators between the vacuum and Goldstone's bosons
Awarded Jul 24, 2021 at 20:32
How do I get the amplitude for the one-loop photon self-energy?
Awarded Jun 24, 2021 at 16:37
Does the path of a Wilson line in a quark-correlator matter?
Awarded May 18, 2021 at 20:21
Examples of path integral where path of extremal action does not contribute the most?
Awarded Apr 9, 2021 at 8:47
Is the Pusey-Barrett-Rudolph (PBR) theorem only applicable in two dimensions?
Awarded Jan 7, 2021 at 15:11
Is it possible to define off-shell spinors?
Awarded Jun 9, 2020 at 7:13
Is even the perturbative expansion of the QCD beta function expected to be divergent?
Awarded Mar 19, 2020 at 3:55
What are the observable effects of finite pieces of the loop corrections in QED?
Awarded Feb 26, 2020 at 6:35
If a regularization procedure respects a symmetry, is this symmetry unbroken in perturbation theory?
Awarded Jan 12, 2020 at 22:25
Non-relativistic E&M Lagrangian: number of dynamical variables greater than 6
Awarded Jun 7, 2019 at 8:25
Detail of deriving Berry Curvature From Berry Connection
Awarded Jan 17, 2019 at 17:45
What goes wrong if we add a mass term for gauge bosons without the Higgs mechanism?
Awarded Oct 21, 2018 at 11:20
In a universe with four spatial dimensions would there be elementary particles with intrinsic isoclinic spin?
Awarded Aug 10, 2018 at 15:40
How does a perturbation theory make sense in quantum field theory?
Awarded May 2, 2018 at 19:53
Systematic way to draw all inequivalent Feynman diagrams
Awarded Mar 26, 2018 at 0:55
Is there a contradiction between the 't Hooft transformation and a zero radius of convergence?
Awarded Feb 13, 2018 at 16:22
Gauge invariance is just a redundancy. Why is massive abelian gauge field renormalizable but massive non-abelian gauge field nonrenormalizable?
Awarded Feb 3, 2018 at 2:35
Can we use the term "U(1) gauge invariance" for the free electromagnetic field?
Awarded Jan 29, 2018 at 16:04
How does one find the wavefunction of a particle in its rest frame?
Awarded Jan 27, 2018 at 10:55
Modern treatment of effective QFT in curved spacetime
Awarded Jan 16, 2018 at 9:17
Geometry of Yang-Mills theory
Awarded Nov 10, 2017 at 17:57
Faddeev-Popov Gauge-Fixing in Electromagnetism
Awarded Aug 15, 2017 at 22:25
QED and anomaly
Awarded Feb 27, 2017 at 17:06
Which values of the Riemann zeta function at negative arguments come up in physics?
Awarded Feb 18, 2017 at 14:06
Does non-conservation of number of particles imply zero chemical potential?
Awarded Jan 10, 2017 at 10:42
What's the relation between path integral and Dyson series?
Awarded Jan 3, 2017 at 9:34
(post deleted or otherwise unavailable)
Awarded Dec 28, 2016 at 15:38
What is classical Lagrangian? The Bare one or renormalized one? Are counterterms quantum corrections to renormalized Larangian?
Awarded Dec 24, 2016 at 19:29
Contradictory result for scalar-field propagator from Feynman rules and LSZ formula
Awarded Jan 17, 2016 at 19:26

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