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11 answers
63 votes
19k views
72 bookmarks
What is a tensor?
5 answers
63 votes
30k views
59 bookmarks
What is the connection between Poisson brackets and commutators?
3 answers
43 votes
9k views
10 bookmarks
Why isn't the circumferential light around the M87 black hole's event horizon symmetric?
4 answers
23 votes
5k views
18 bookmarks
Is there a physics Puzzles site like Project Euler?
1 answers
16 votes
2k views
9 bookmarks
What does a Lagrangian of the form $L=m^2\dot x^4 +U(x)\dot x^2 -W(x)$ represent?
1 answers
12 votes
333 views
5 bookmarks
Does the fluctuations-dissipation theorem hold in active matter for macroscopic physical quantities?
2 answers
7 votes
1k views
4 bookmarks
How to calculate the angular momentum states of isotropic quantum harmonic oscillator?
1 answers
7 votes
926 views
3 bookmarks
Test whether a glass prevents you from getting your Vitamin D portion?
1 answers
6 votes
231 views
3 bookmarks
How to model RNA-DNA and DNA-DNA binding as a “string matching" problem in statistical physics?
2 answers
5 votes
29k views
2 bookmarks
How does smoke move in the air and how can one direct it?
1 answers
4 votes
2k views
1 bookmarks
What is the Kitaev Model and why has it become so popular?
2 answers
4 votes
375 views
1 bookmarks
How does particle physics use deep neural networks to find particles?
2 answers
4 votes
9k views
How the pipes of water don't freeze in -40 celsius?
1 answers
3 votes
131 views
How to measure the information loss due to coarse-graining of a physical system into a graphical representation?
0 answers
3 votes
109 views
2 bookmarks
Canonical transformation of spacetime or under field theory formalism
0 answers
3 votes
125 views
1 bookmarks
How to derive the simplest 1D Superpotential Hamiltonian?
2 answers
3 votes
663 views
4 bookmarks
Why doesn't Coleman-Mermin-Wanger theorem contradict phase transitions in systems with 1D reaction coordinate?
4 answers
3 votes
3k views
1 bookmarks
Why do cameras have double lenses?
2 answers
3 votes
946 views
1 bookmarks
How to derive the angular momentum operator for 3D harmonic oscillator?
1 answers
2 votes
73 views
How do we know that we measure only the higgs and not 2 or more particles?
1 answers
2 votes
151 views
Are there ensembles for non-equilibrium cases?
4 answers
2 votes
15k views
What is magnetic conductivity?
1 answers
2 votes
828 views
1 bookmarks
How to show that an $N$-dimensional SHO's dynamics symmetry is $SU(N)$?
1 answers
1 votes
139 views
What is the definition of the Potential of Mean Force (PMF) in physics jargon?
1 answers
1 votes
217 views
Phase separation in physics
1 answers
1 votes
95 views
What do the area laws for mutual information and correlations actually state?
0 answers
1 votes
40 views
Is there an equivalency between fluctuation and effective degrees of freedom?
1 answers
1 votes
439 views
5 bookmarks
Using perturbation theory to solve classical anharmonic oscillations
2 answers
1 votes
1k views
Does the intensity of dipole radiation fall as $1/r^2$ or $1/r^3$?
2 answers
1 votes
955 views
1 bookmarks
New infrared laser weapon made by the USA - How does it work?