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Top Questions
13
votes
A pendulum in a superfluid
drag
oscillators
viscosity
dissipation
superfluidity
asked Oct 9, 2022 at 22:59
physics.stackexchange.com
9
votes
When is the ergodic hypothesis reasonable?
classical-mechanics
hamiltonian-formalism
chaos-theory
complex-systems
ergodicity
asked Jul 4, 2018 at 14:25
physics.stackexchange.com
6
votes
What information does the Von Neumann entropy give for mixed states?
quantum-mechanics
quantum-information
quantum-entanglement
density-operator
entanglement-entropy
asked Dec 14, 2017 at 20:59
physics.stackexchange.com
6
votes
Solution of an ODE upon singular perturbation
ca.classical-analysis-and-odes
ds.dynamical-systems
mp.mathematical-physics
chaos
asked Feb 13 at 15:49
mathoverflow.net
5
votes
Numerical solution of two coupled nonlinear eigenvalue problems
ode
eigenvalues
differential-equations
numerics
asked Oct 29, 2018 at 11:06
scicomp.stackexchange.com
5
votes
Electrostatic in 2D: dimensional analysis
electrostatics
gauss-law
dimensional-analysis
physical-constants
asked Apr 13, 2019 at 9:14
physics.stackexchange.com
5
votes
Fermion operators: why $\rm SU(2)$ symmetry and not $\rm U(2)$ symmetry?
operators
symmetry
quantum-spin
gauge-theory
spinors
asked Mar 5, 2020 at 0:58
physics.stackexchange.com
5
votes
Equivalence of two Lagrangians
classical-mechanics
lagrangian-formalism
asked May 7, 2020 at 12:08
physics.stackexchange.com
5
votes
Are there charge fluctuations in band insulators?
solid-state-physics
electronic-band-theory
metals
insulators
asked Mar 30, 2022 at 19:45
physics.stackexchange.com
Top Answers
6
Why are coherent states of harmonic oscillators called "coherent"?
physics.stackexchange.com
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