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R.Wigner

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 7 years, 11 months
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  • Last seen Nov 18 '20 at 16:03

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12 Why does Landau theory not fail when dealing with a first order phase transition? Aug 5 '15
10 Why does a Heisenberg magnet break the O(3) symmetry instead of SU(2)? Feb 28 '16
8 Do photons lose energy due to gravitational redshift? If so, where does the lost energy go? [duplicate] Mar 28 '15
7 How to see the ground state degeneracy (GSD) from a $BF$ theory in $2+1$ $d$? Oct 20 '14
7 How close to the critical point is sufficient close for measuring critical exponents? Nov 13 '14
7 Goldstone mode in $O(N)$ (non-linear $\sigma$ model) Nov 14 '13
5 Are critical exponents below and above the critical point always same? Oct 10 '14
5 The symmetry group and representation of spin-$N$ particle Feb 22 '18
4 Is the $2\pi$ disclination topologically stable for a 2d nematic liquid crystal? Oct 16 '14
4 1st order phase transition, superheating/supercooling, metastable state Sep 24 '14
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