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Physics

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 Good Question
Question score of 25 or more. This badge can be awarded multiple times.
Awarded 2800 times.
Why do metals burn you when they've been left outside in direct sunlight?
Awarded Nov 25 at 21:56
Does the Mott insulator exist?
Awarded Nov 8 at 21:22
How does one experimentally determine chirality, helicity, spin and angular momentum of a fundamental particle?
Awarded Nov 4 at 18:27
On a measurement level, is quantum mechanics a deterministic theory or a probability theory?
Awarded Oct 22 at 3:23
Experimental evidence of a fourth spatial dimension?
Awarded Oct 16 at 21:06
Why does a fermionic Hamiltonian always obey fermionic parity symmetry?
Awarded Oct 12 at 7:36
What is a good introduction to integrable models in physics?
Awarded Oct 5 at 0:38
In Floquet theory, what is the physical significance of the Fourier coefficients?
Awarded Oct 3 at 12:08
How does "curved space" explain gravitational attraction? [duplicate]
Awarded Oct 3 at 4:35
Finding the effective Hamiltonian in a certain subspace
Awarded Oct 2 at 20:07
How do we know what our measuring tools are measuring?
Awarded Oct 2 at 16:52
How is quantum mechanics compatible with the speed of light limit?
Awarded Sep 24 at 9:05
Why particle hole symmetry and chiral symmetry are called symmetries?
Awarded Sep 19 at 0:54
To what extent is the "minimal substitution" or "minimal coupling" for the EM vector potential valid?
Awarded Sep 7 at 15:08
Why is normal ordering a valid operation?
Awarded Aug 28 at 17:19
What is Quantization?
Awarded Aug 28 at 6:10
What causes a black-body radiation curve to be continuous?
Awarded Aug 25 at 19:34
Why is the partition function divided by $(h^{3N} N!)$?
Awarded Aug 23 at 21:57
Why is it harder to hear someone underwater than on air?
Awarded Aug 6 at 16:18
Entropy and Information
Awarded Aug 2 at 15:34
Are all electrons identical?
Awarded Aug 1 at 15:33
How does the Penrose diagram for a spinning black hole differ in realistic scenarios (formed by stellar collapse)?
Awarded Jul 29 at 15:33
Why are physicists interested in graph theory?
Awarded Jul 27 at 11:06
Massless integrals in dim-reg
Awarded Jul 25 at 16:10
Are all central forces conservative?
Awarded Jul 25 at 16:10
What angle does our Solar System make with The Milky Way?
Awarded Jul 19 at 23:23
Time ordering and time derivative in path integral formalism and operator formalism
Awarded Jul 19 at 12:23
Are there more entangled states or non-entangled ones?
Awarded Jul 17 at 15:00
Why do we identify symmetric 2nd rank tensors with spin-2 particles in string theory?
Awarded Jul 3 at 19:43
Can any rank tensor be decomposed into symmetric and anti-symmetric parts?
Awarded Jun 27 at 11:24
Hamiltonian for relativistic free particle is zero
Awarded Jun 22 at 15:40
Which global symmetry of Minkowski space (if any) gets gauged to the diffeomorphism invariance of general relativity?
Awarded Jun 22 at 14:12
Are there classical physics phenomena that remain unexplained? [closed]
Awarded Jun 22 at 10:07
Why can't d'Alembert's Principle be derived from Newton's laws alone?
Awarded Jun 22 at 0:20
Why do (can) we impose local gauge invariance?
Awarded Jun 21 at 9:07
Topological insulators: why K-theory classification rather than homotopy classification?
Awarded Jun 19 at 19:33
Why are there shadows surrounding these underwater lights?
Awarded Jun 16 at 21:01
Why do Maxwell's equations contain each of a scalar, vector, pseudovector and pseudoscalar equation?
Awarded May 30 at 18:41
What makes a superconductor topological?
Awarded May 30 at 13:01
Could a ship equipped with Alcubierre drive theoretically escape from a black hole?
Awarded May 26 at 13:47
What is the "interaction picture" or "rotating frame" in quantum mechanics?
Awarded May 22 at 14:06
Doesn't Veritasium's Recent Video About Circuits Violate The Speed Of Light?
Awarded May 16 at 16:48
What is "Induced Atmospheric Vibration"?
Awarded Apr 29 at 10:03
Why one-dimensional strings, but not higher-dimensional shells/membranes?
Awarded Apr 24 at 23:46
Why do quarks have a fractional charge?
Awarded Apr 16 at 17:56
If black holes are just empty vacuum of space inside, then what causes the curvature?
Awarded Apr 15 at 4:57
What is the conclusion from Aharonov-Bohm Effect?
Awarded Apr 13 at 10:38
Significance of the second focus in elliptical orbits
Awarded Apr 10 at 15:06
Does quantum computing rely on particular interpretations of quantum mechanics?
Awarded Apr 10 at 4:20
Does the uncertainty principle apply to photons?
Awarded Apr 4 at 19:49
Maximum delay for effective active noise cancelling?
Awarded Mar 10 at 12:47
What information does the trace of a matrix give?
Awarded Mar 9 at 16:36
The Dirac-delta function as an initial state for the quantum free particle
Awarded Mar 4 at 18:34
Is there a topological difference between an electric monopole and an magnetic monopole?
Awarded Feb 26 at 23:48
Why do coherent states have Poisson number distribution?
Awarded Feb 22 at 6:16
Mean field equations in the BCS theory of superconductivity
Awarded Feb 15 at 0:33
How does light, which is an electromagnetic wave, carry information?
Awarded Feb 14 at 18:32
Could you please give an intuitive definition of chemical potential?
Awarded Feb 12 at 23:33
Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"
Awarded Feb 10 at 16:11
Why is the Yang–Mills existence and mass gap problem so fundamental?
Awarded Feb 7 at 1:56
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