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R.Wigner

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

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  • Member for 6 years, 10 months
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Top posts (19) All Questions Answers | Votes Newest

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