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Communication Dans Un Congrès Année : 2002

Nishimori point in random-bond Ising and Potts models in 2D

Résumé

We study the universality class of the fixed points of the 2D random bond q-state Potts model by means of numerical transfer matrix methods. In particular, we determine the critical exponents associated with the fixed point on the Nishimori line. Precise measurements show that the universality class of this fixed point is inconsistent with percolation on Potts clusters for q=2, corresponding to the Ising model, and q=3

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Dates et versions

hal-00002336 , version 1 (27-07-2004)

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Andreas Honecker, Jesper-Lykke Jacobsen, Marco Picco, Pierre Pujol. Nishimori point in random-bond Ising and Potts models in 2D. 2002, pp.251-262. ⟨hal-00002336⟩
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