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On the symmetry of the Gibbs states in two dimensional lattice systems |
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| Authors: | Charles-Edouard Pfister |
| Institution: | (1) Département de Mathématiques, Ecole Polytechnique Fédérale, 61, Av. de Cour, Ch-1007 Lausanne, Suisse |
| Abstract: | Under fairly general conditions if a two dimensional classical lattice system has an internal symmetry groupG, which is a compact connected Lie group, then all Gibbs states areG-invariant. |
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