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Phase transitions for p-adic Potts model on the Cayley tree of order three

Mukhamedov, Farrukh and Akin, Hasan (2013) Phase transitions for p-adic Potts model on the Cayley tree of order three. Journal of Statistical Mechanics: Theory and Experiment, 2013 (07). P07014 (1)-P07014 (30). ISSN 1742-5468 (O)

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In the present paper, we study a phase transition problem for the q-state p-adic Potts model over the Cayley tree of order three. We consider a more general notion of p-adic Gibbs measure which depends on parameter ρ∈Qp. Such a measure is called generalized p-adic quasi Gibbs measure. When ρ equals the p-adic exponent, then it coincides with the p-adic Gibbs measure. When ρ = p, then it coincides with the p-adic quasi Gibbs measure. Therefore, we investigate two regimes with respect to the value of |ρ|p. Namely, in the first regime, one takes ρ = expp(J) for some J∈Qp, in the second one |ρ|p < 1. In each regime, we first find conditions for the existence of generalized p-adic quasi Gibbs measures. Furthermore, in the first regime, we establish the existence of the phase transition under some conditions. In the second regime, when |ρ|p,|q|p ≤ p−2 we prove the existence of a quasi phase transition. It turns out that if $\vert \rho \vert _{p}\lt \vert q-1\vert _{p}^{2}\lt 1$ and $\sqrt{-3}\in {\mathbb{Q}}_{p}$, then one finds the existence of the strong phase transition.

Item Type: Article (Journal)
Additional Information: 5537/31745
Uncontrolled Keywords: classical phase transitions (theory) rigorous results in statistical mechanics
Subjects: Q Science > QA Mathematics
Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science > Department of Computational and Theoretical Sciences
Depositing User: Dr. Farrukh Mukhamedov
Date Deposited: 24 Sep 2013 13:20
Last Modified: 24 Sep 2013 13:20
URI: http://irep.iium.edu.my/id/eprint/31745

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