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user196574
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14
Confusion about Lagrangian formulation of electromagnetics
Nov 2, 2020
question
12
Explicit form of Sundman's general solution of three-body problem
Sep 26, 2022
question
9
Spin-$n$ particle comes back to itself after $360/n$ degree rotation
Dec 3, 2020
question
9
Deducing the central charge of the Ising model from the free energy
Oct 13, 2021
question
8
Statistical mechanics and Planck constant universality
Sep 8, 2018
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8
QFT: Vacuum invariant, but vacuum correlations aren't
Nov 2, 2020
question
8
Time evolution keeps a certain product state always a product state. Is there a time-independent factorizable evolution for this state?
May 26
question
7
The eigenfunctions of $H =\frac{p^2}{2m}+ V_0 \log(|x|/a)$ and a curious virial theorem result
Feb 20, 2023
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7
With enough fermions, does QCD confinement disappear?
Jun 20, 2022
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7
Magnetization in Quantum Transverse Ising Model: Mean Field Theory vs Reality
Apr 8, 2020
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Proper procedure for addressing an incorrect accepted answer
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23
How to prove that the Greek cross tiles the plane?
17
Finding $\int_{0}^\infty f(u)du$ where $f$ solves $\frac{\pi}{2}f(u) = \frac{1}{1+u^2} - \int_{0}^\infty \frac{f(v) dv}{4+(u-v)^2}$
17
How to prove that the Greek cross tiles the plane?
9
Pole lying in the middle of a logarithm's branch cut in $\int_{-\infty}^{\infty} dz \frac{\ln(a+z^2)}{1+z^2}$
9
What matrices $M$ satisfy $M_{il} M_{jm} M_{kn} \delta_{lmn} = \delta_{ijk}$?