- 01-364 Dima Ioffe,Senya Shlosman,Yvan Velenik
- 2D models of statistical physics with continuous symmetry: the case of
singular interactions
(76K, latex2e)
Oct 12, 01
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Abstract. We show the absence of continuous symmetry breaking in 2D lattice systems
without any smoothness assumptions on the interaction. We treat certain cases
of interactions with integrable singularities. We also present cases of
singular interactions with continuous symmetry, when the symmetry is broken in
the thermodynamic limit.
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