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May
30
reviewed No Action Needed What happens when a photon hits a beamsplitter?
May
29
reviewed Reviewed Does gravity change the closer you are to the Earth's core?
May
27
comment Non-Hermiticity when Fourier transforming onto a finite lattice
Doesn't the discretized sum have both $k$ and $-k$?
May
23
accepted Precise statement of Mermin–Wagner theorem
May
22
comment Precise statement of Mermin–Wagner theorem
The discussion in relation to a random walker is insightful. Do you have a reference for further reading? Other references, such as the one suggested by @Norbert above, require the coupling constants to be isotropic. However, this condition seems to be absent in your discussion. Why is this so?
May
22
awarded  Popular Question
May
22
asked Precise statement of Mermin–Wagner theorem
May
20
reviewed No Action Needed X-ray diffraction from Metals
May
15
comment Why does quantum cryptography give us uncrackable codes?
Why do you find the claims questionable?
May
15
reviewed No Action Needed Some sort of conservation equation
May
15
asked Origin of interaction in inelastic neutron scatting
May
15
reviewed Reviewed Proof $\left[ {\hat H,{{\hat p}_i}} \right] = - \frac{\hbar }{i}\frac{{\partial \hat H}}{{\partial {{\hat q}_i}}}$
May
15
reviewed No Action Needed Do laser beams interfere noticeably with each other?
May
13
comment $SU(N)$ Neel manifold
What is $m$?$ $
May
7
reviewed No Action Needed Why does a supernova explode
May
6
awarded  Tumbleweed
May
6
reviewed No Action Needed Coherent State, Unitary Operators, Harmonic Oscillator
May
3
suggested suggested edit on Violation of Newton's Second Law (?)
May
3
revised Reachable area of cannonball given fixed initial speed
clarity
May
3
suggested suggested edit on Reachable area of cannonball given fixed initial speed