98-706 Chayes L., Shtengel K.
Critical Behavior for 2d Uniform and Disordered Ferromagnets at Self--Dual Points (48K, amstex) Nov 11, 98
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Abstract. We consider certain two-dimensional systems with self--dual points including uniform and disordered $q$--state Potts models. For systems with continuous energy density (such as the disordered versions) it is established that the self--dual point exhibits critical behavior: Infinite susceptibility, vanishing magnetization and power law bounds for the decay of correlations.

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