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00925njm 22002777a 4500 dc Franzese, Giancarlo author Coniglio, Antonio, 1940- author 2011-07-07T12:54:26Z 2011-07-07T12:54:26Z 1998 We have studied the Potts spin glass with two-state Ising spins and s -state Potts variables using a cluster Monte Carlo dynamics. The model recovers the ± J Ising spin glass (SG) for s = 1 and exhibits for all s a SG transition at T SG ( s ) and a percolation transition at higher temperature T p ( s ) . We have shown that for all values of s ≠ 1 at T p ( s ) there is a thermodynamic transition in the universality class of a ferromagnetic s -state Potts model. The efficiency of the cluster dynamics is compared with that of standard spin-flip dynamics. Model d'Ising Transformacions de fase (Física estadística) Mecànica estadística Ising model Phase transformations (Statistical physics) Statistical mechanics Phase transitions in the Potts spin-glass model