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Physics

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Awarded 12195 times.
Could there be a circular flux tube in superconductors?
Awarded 6 hours ago
Why is a sleeping bag so cold when you first get in?
Awarded 20 hours ago
Commutator of fermionic operators
Awarded yesterday
Fourier Transform on a Riemannian Manifold
Awarded yesterday
Why do metals burn you when they've been left outside in direct sunlight?
Awarded yesterday
Is it possible for "gas moons" to exist?
Awarded yesterday
Noether's current for dilation transformation
Awarded Nov 18 at 23:21
How can neutrinos "beat light"?
Awarded Nov 18 at 18:25
Why doesn't the light slow down, even if it loses energy? [duplicate]
Awarded Nov 17 at 17:20
Which Photon would win the race?
Awarded Nov 17 at 16:06
How is Schrödinger evolution experimentally verified?
Awarded Nov 15 at 17:33
Can Spacetime bend itself?
Awarded Nov 14 at 22:02
Does the linearity of transformations between inertial coordinate frames follow from the standard postulates of special relativity?
Awarded Nov 14 at 18:53
What would a privileged/preferred reference frame look like if it existed?
Awarded Nov 13 at 23:28
How do we know that nuclear decay is truly random and spontaneous?
Awarded Nov 13 at 7:34
Football rolling down a hill
Awarded Nov 13 at 0:37
Why do correlation functions diverge in field theory?
Awarded Nov 11 at 15:01
Why does QED use spinors but Classical Electrodynamics doesn't?
Awarded Nov 11 at 11:21
What do the off-diagonal elements of Hamiltonian matrix physically represent?
Awarded Nov 9 at 21:05
Is it meaningful to talk about percentage increase for temperatures measured in Celsius or Fahrenheit?
Awarded Nov 9 at 14:11
What is the motivation for using Calabi-Yau manifolds in string theory?
Awarded Nov 6 at 17:33
Why F-theory picks Calabi-Yau manifolds as backgrounds?
Awarded Nov 6 at 17:33
If atoms are mostly empty space, why doesn't light pass through everything?
Awarded Nov 6 at 3:07
Apart from the sine wave, are there any other waveshapes that could be thought of as commonly appearing "in nature"? [closed]
Awarded Nov 4 at 13:41
Why is there no fundamental force following from the $SU(4)$ symmetry?
Awarded Nov 2 at 0:51
How does the speed of electricity become the same as the speed of light?
Awarded Oct 31 at 11:35
Harmonic oscillator modified by infinite well: are analytic solutions possible?
Awarded Oct 31 at 10:02
If you're putting a rubber band around a sphere, when does it stay on?
Awarded Oct 31 at 5:12
Are there any processes to produce neutrinos in their mass eigenstates?
Awarded Oct 31 at 0:51
Do rotating power tools such as tablesaw, jointer, or angle grinder exert hundreds or thousands of g-forces on their rotating parts?
Awarded Oct 29 at 9:00
Quasistatic vs Reversible processes
Awarded Oct 27 at 17:20
Calculate force of a door that fell and hit my sister [closed]
Awarded Oct 26 at 18:25
How can decompressing neutronium accelerate beta decay to form heavy elements?
Awarded Oct 26 at 13:25
What causes charge buildup in a cloud before a lightning storm?
Awarded Oct 25 at 21:11
What physical significance has the Heisenberg Group?
Awarded Oct 25 at 4:05
Unitary representations of the diffeomorphism group in curved spacetime
Awarded Oct 24 at 15:33
Is the four-velocity always normalized?
Awarded Oct 24 at 8:16
Why is the scalar product of four-velocity with itself -1?
Awarded Oct 23 at 15:17
Where does this formula for sagging of a beam come from?
Awarded Oct 23 at 10:04
If momentum is a covector, how does $p=mv$?
Awarded Oct 23 at 4:36
How does the canonical momentum $p_i\equiv\frac{\partial L}{\partial\dot q_i}$ transform under a coordinates change $\mathbf q\to\mathbf Q$?
Awarded Oct 23 at 4:36
Why can't a body move faster than light?
Awarded Oct 21 at 15:50
Exponential operator approximation: Suzuki-Trotter Expansion
Awarded Oct 20 at 12:16
Weinberg angle measurement methods
Awarded Oct 19 at 13:00
What is a su(2) level k algebra
Awarded Oct 19 at 5:00
What is a Gibbs state?
Awarded Oct 18 at 18:17
Theory invariance after substitution of theory's field equations back into theory's action functional?
Awarded Oct 18 at 14:17
Why doesn’t a rolling wheel keep accelerating if friction torque is in the same direction as rotation?
Awarded Oct 17 at 12:02
How to think about magnetic wells?
Awarded Oct 16 at 22:19
Can we find the boundary conditions of fields from the stationary action principle?
Awarded Oct 15 at 8:50
If electrons move slowly, then why does the electric field inside a conductor become zero instantly?
Awarded Oct 13 at 20:19
General Question(s) on Bloch's Theorem
Awarded Oct 13 at 7:20
Special theory of relativity paradox (buoyancy)
Awarded Oct 12 at 23:22
In what ways does quantum field theory (QFT) extend quantum mechanics (QM)?
Awarded Oct 11 at 13:47
Why should angle of incidence be equal to angle of emergence for minimum deviation in a triangular prism?
Awarded Oct 9 at 11:02
Is the weather intrinsically chaotic?
Awarded Oct 9 at 9:33
Why is Newton's third law known as *weak law of action and reaction*?
Awarded Oct 8 at 19:07
Why 1st law of thermodynamics is applied to cosmological expansion?
Awarded Oct 8 at 5:32
If gravity bends spacetime, why don’t we detect time dilation gradients inside large objects like Earth?
Awarded Oct 6 at 23:11
Is the magnetic vector potential "real" in classical electromagnetism?
Awarded Oct 3 at 13:38
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