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1998

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/18873

Phase transitions in the Potts spin-glass model

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Abstract

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.

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http://dx.doi.org/10.1103/PhysRevE.58.2753

Subject

Model d'Ising, Transformacions de fase (Física estadística), Mecànica estadística

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Ising model, Phase transformations (Statistical physics), Statistical mechanics

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Articles publicats en revistes (Física de la Matèria Condensada)

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FRANZESE, Giancarlo and CONIGLIO, Antonio. Phase transitions in the Potts spin-glass model. Physical Review E. 1998. Vol. 58, num. 3, pags. 2753-2759. ISSN 1063-651X. [consulted: 17 of October of 2026]. Available at: https://hdl.handle.net/2445/18873

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