The potts model on bethe lattices |
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| Authors: | F di Liberto G Monroy F Peruggi |
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| Institution: | (1) Dipartimento di Fisica dell'Unversità di Napoli, Mostra d'Oltremare pad. 19, I-80125 Napoli, Italy;(2) Present address: INFN, sezione di Napoli, Napoli, Italy;(3) Present address: Unità di Napoli, CISM AND GNSM, Napoli, Italy |
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| Abstract: | We analyze the properties of theq-state ferromagnetic Potts model for realq. The nature of the phase transition at the critical point is first-order forq 2, and second-order forq=2. The random-bond percolation limitq 1, and its second-order-like transition, are not related to the previous behaviour since they arise from non-stable phases of the system. It is suggested that this property characterizes the model on high-dimensional lattices, too.Supported by MPI and CNR |
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