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Is the Lorentz group compact (and if not, is U(1)?)
Awarded yesterday
Units in general relativity
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Is there a tool to measure the chemical potential of a system?
Awarded 2 days ago
Physical intuition/interpretation of fractional derivatives/integrals?
Awarded 2 days ago
Why aren't we bumping into objects outside of the visible range?
Awarded 2 days ago
How many degrees of freedom in a massless $2$-form field?
Awarded Dec 8 at 11:26
Why the imaginary part of green function is the spectral function?
Awarded Dec 8 at 3:26
How many optical and acoustical branches are in a primitive cell?
Awarded Dec 7 at 16:27
Has frame dragging been accounted for in galactic rotation curves?
Awarded Dec 6 at 3:41
Why is the group of gauge transformations on the frame bundle isomorphic to $\text{Diff}(M)$?
Awarded Dec 4 at 13:40
What does "inside" refer to when we say that the electric field inside a conductor is 0?
Awarded Dec 4 at 12:42
Is "voltage across an inductor" actually real, or a convenient engineer trick?
Awarded Dec 4 at 6:23
Is it possible to make a light follow a non-geodesic path?
Awarded Dec 4 at 1:31
Period of the propagator of quantum harmonic oscillators
Awarded Dec 3 at 11:32
Why does the motion of a gas never stop?
Awarded Dec 2 at 8:01
Why is aurora borealis circular in shape when viewed from space?
Awarded Dec 2 at 4:34
A better Schrödinger Equation with Relativistic Effects?
Awarded Dec 1 at 14:07
What is the science behind this freeze seawater news article?
Awarded Nov 30 at 16:26
Does length contraction "break the speed limit"?
Awarded Nov 29 at 10:41
A way to derive the Yukawa potential without cheating?
Awarded Nov 28 at 17:12
What is the radius of convergence of the Sommerfeld expansion for a free fermion gas?
Awarded Nov 28 at 9:01
Does the twin paradox hold in a universe that's empty except for the twins?
Awarded Nov 26 at 12:35
Origin of $\sqrt{-g}$ in the integral of action $S$
Awarded Nov 26 at 11:26
What is "a general covariant formulation of newtonian mechanics"?
Awarded Nov 24 at 16:25
Quantum Gravity is non-renormalizable...So what?
Awarded Nov 24 at 1:45
Killing tensor in the Kerr metric
Awarded Nov 23 at 13:32
What is a *Poisson Solid*?
Awarded Nov 22 at 20:52
Why are operators in quantum mechanics always linear?
Awarded Nov 22 at 9:13
Question about the Dirac notation for partial trace
Awarded Nov 21 at 9:27
What does the absence of a ground state physically mean?
Awarded Nov 20 at 19:47
Integrability of the many-body problem
Awarded Nov 20 at 13:32
Tight-binding vs. nearly free electron (NFE) model predictions
Awarded Nov 20 at 11:56
Understanding the statement of the bandwidth theorem
Awarded Nov 19 at 2:41
How can water go below zero and still be liquid? [duplicate]
Awarded Nov 18 at 3:21
"Shadows are Lorentz Invariant"
Awarded Nov 17 at 23:30
Symmetries of a Free Massless Scalar in Two Dimensions
Awarded Nov 17 at 22:02
Are negativity of the Wigner function and quantum behaviour equivalent?
Awarded Nov 17 at 20:21
Why does each mode of the electromagnetic field have two degrees of freedom?
Awarded Nov 15 at 13:31
Einstein's return to aether
Awarded Nov 15 at 9:27
Quantum spin in a rotating reference frame
Awarded Nov 14 at 23:24
Infinite and Finite Square Wells
Awarded Nov 14 at 21:20
Temperature and time dilation
Awarded Nov 14 at 14:30
Effect of drag on projectile flight time - simple solution?
Awarded Nov 14 at 0:10
What is the definition of Force?
Awarded Nov 13 at 16:52
How is the pion related to spontaneous symmetry breaking in QCD?
Awarded Nov 13 at 6:41
Density Functional Theory DFT-D, DFT-D2 and DFT-D3
Awarded Nov 10 at 6:40
Cooling due to evaporation
Awarded Nov 8 at 16:40
How do gravitational fields combine together in GR?
Awarded Nov 8 at 14:36
Why is the general solution of Schrodinger's equation a linear combination of the eigenfunctions?
Awarded Nov 8 at 12:18
Is there a way to move a black hole?
Awarded Nov 7 at 22:05
Local decrease of entropy, does it require life?
Awarded Nov 7 at 18:19
What does it mean that a free particle has no definite energy in quantum mechanics?
Awarded Nov 7 at 11:18
Is there anything for which mass is undefined?
Awarded Nov 7 at 8:42
Help me understand eqn. 28.6 from Feynman
Awarded Nov 6 at 20:16
Addition of gravitational fields in general relativity
Awarded Nov 6 at 12:51
What is that commentator talking about saying that "the static/kinetic coefficient model is actually pretty lousy"? Do we have any better ideas?
Awarded Nov 5 at 0:28
Does Lorentz transformation affect mass density, pressure or temperature of a physical object?
Awarded Nov 4 at 20:12
Need mathematical explanation for different musical notes sound different on different instruments
Awarded Nov 4 at 14:47
How does Equivalence Principle imply a Curved Space-Time?
Awarded Nov 4 at 14:09
If we apply a constant perpetual perpendicular force on a brick kept on a floor, will it deform the brick?
Awarded Nov 4 at 12:20
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