Physics

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What is a d + id superconductor and why does it break time reversal symmetry?
Awarded 7 hours ago
What is the essence of BCFW recursion techniques?
Awarded 7 hours ago
Why does Griffiths's book say that there can be no surface current since this would require an infinite electric field for an incident wave?
Awarded 7 hours ago
Can we treat $\psi^{c}$ as a field independent from $\psi$?
Awarded 17 hours ago
Why can't the ocean be frozen by blowing on it?
Awarded 18 hours ago
What is $U(1)$ symmetry?
Awarded 22 hours ago
Why does the Dirac equation work for the hydrogen atom?
Awarded yesterday
Why we use vector sum to calculate net potential in AC circuits?
Awarded 2 days ago
How likely is it that metallic hydrogen is metastable at atmospheric pressure?
Awarded Sep 22 at 17:26
What is the difference between classical and quantum Ising model?
Awarded Sep 20 at 17:16
A rigorous derivation of Hund's rules
Awarded Sep 18 at 8:57
Breaking down of 2nd law of thermodynamics
Awarded Sep 12 at 9:56
What physical processes other than scattering are accounted for by QFT? How do they fit into the general formalism?
Awarded Sep 11 at 21:36
Negativity of the real part of eigenvalues of Lindblad operators
Awarded Sep 11 at 6:48
Incompatibility of the Lorentz force with electromagnetic radiation
Awarded Sep 10 at 21:26
A question on using Fourier decomposition to solve the Klein Gordon equation
Awarded Sep 10 at 18:26
Lagrangian for Perfect fluid Stress-Energy tensor
Awarded Sep 9 at 18:10
Coulomb Branch vs. Higgs Branch (and the connection with D-branes, AdS/CFT)
Awarded Sep 8 at 13:10
Gauge theory and eliminating unphysical degrees of freedom
Awarded Sep 8 at 7:25
Resultant curvature tensor from the Casimir Effect
Awarded Sep 8 at 2:45
How do you know mercury changes monotonically with temperature if mercury itself is used to make the thermometer?
Awarded Sep 7 at 14:11
Is electric field inside a conductor really always zero?
Awarded Sep 7 at 5:57
What voltages are used to "safely" shock someone (as in a carnival game) [closed]
Awarded Sep 6 at 13:41
Why there is a minus in the definition of the Minkowski Spacetime Interval?
Awarded Sep 5 at 16:33
In quantum optics if you measure the energy of a thermal state does it collapse to a Fock state (Photon number state)?
Awarded Sep 5 at 11:35
Is PV energy part of internal energy, U?
Awarded Sep 5 at 4:49
Why isn't the penetrating depth of electromagnetic radiation consistent with its frequency?
Awarded Sep 4 at 11:49
Standard formula for energy density of electromagnetic field
Awarded Sep 4 at 9:33
What does the sky look like from the moon?
Awarded Sep 1 at 20:47
Can colliding gravitational waves create a black hole?
Awarded Sep 1 at 13:35
Is gravitational binding energy or gravitational self-energy a source of gravity?
Awarded Sep 1 at 11:49
If Particles are simply excitations in a field, how does string theory change this description
Awarded Aug 30 at 20:42
Why quantum entanglement for a non-local object needs explanation?
Awarded Aug 30 at 13:16
Is it correct to say that "WE" feel only 5/140 of the actual weight of brain as buoyancy acts on brain due to cerebrospinal fluid?
Awarded Aug 30 at 8:41
How can current flow through an open wire (like a dipole antenna)?
Awarded Aug 30 at 5:07
Why do headphone speakers sound 'tinny' when far from the ear?
Awarded Aug 29 at 19:19
How to understand the work-energy theorem?
Awarded Aug 28 at 23:21
Would a double gyroscope still have gyroscopic properties?
Awarded Aug 28 at 20:33
Why does the Palatini formalism of GR work? [duplicate]
Awarded Aug 28 at 18:08
Why are stars made from hydrogen and helium and not other elements?
Awarded Aug 28 at 12:17
Why is the visible light spectrum different to a hue wheel?
Awarded Aug 26 at 10:11
Is there such a thing as the '4-susceptibility'?
Awarded Aug 25 at 10:27
How are the Lorentz force, Maxwell's third law and Faraday's law of induction clasically related?
Awarded Aug 24 at 20:20
Conservation of energy when focusing black body radiation on another black body
Awarded Aug 24 at 15:21
In beer, why do bubbles travel faster upwards in the center?
Awarded Aug 24 at 10:50
A question on the transformation law of the spin connection
Awarded Aug 24 at 9:10
Where can I find data about hyperfine levels of a given atom?
Awarded Aug 23 at 15:47
Cross Section Peskin vs Srednicki
Awarded Aug 23 at 13:50
How does an endoscope form the image?
Awarded Aug 22 at 15:36
How to derive entropy from density of states?
Awarded Aug 22 at 6:56
Interpretation of Temperature
Awarded Aug 21 at 20:42
How does a digital radio tuner work?
Awarded Aug 20 at 13:31
Is it necessary that friction will produce heat?
Awarded Aug 20 at 7:55
Can we have consistent histories inside a black hole?
Awarded Aug 19 at 20:55
How to tell if the collision is elastic or inelastic?
Awarded Aug 19 at 11:07
Does a vehicle turning on a banked road need to turn its wheels?
Awarded Aug 18 at 23:15
What are Quantum Field Theories?
Awarded Aug 18 at 7:48
I don’t understand Noether’s theorem… there is nothing to prove?
Awarded Aug 16 at 9:42
How much work is needed to compress a certain volume of gas?
Awarded Aug 15 at 8:06
Force acting on a dipole placed in a non-uniform electric field
Awarded Aug 13 at 4:06
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