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The Mean Field Ising Model trough Interpolating Techniques

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Abstract

Aim of this paper is to illustrate how some recent techniques developed within the framework of spin glasses do work on simpler model, focusing on the method and not on the analyzed system. To fulfill our will the candidate model turns out to be the paradigmatic mean field Ising model. The model is introduced and investigated with the interpolation techniques. We show the existence of the thermodynamic limit, bounds for the free energy density, the explicit expression for the free energy with its suitable expansion via the order parameter, the self-consistency relation, the phase transition, the critical behavior and the self-averaging properties. At the end a formulation of a Parisi-like theory is tried and discussed.

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Authors and Affiliations

  1. Department of Mathematics, King’s College London, Strand, London, WC2R 2LS, UK

    Adriano Barra

  2. Dipartimento di Fisica, Università di Roma “La Sapienza”, Piazzale Aldo Moro 2, 00185, Roma, Italy

    Adriano Barra

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  1. Adriano Barra
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Correspondence to Adriano Barra.

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Barra, A. The Mean Field Ising Model trough Interpolating Techniques. J Stat Phys 132, 787–809 (2008). https://doi.org/10.1007/s10955-008-9567-2

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  • DOI: https://doi.org/10.1007/s10955-008-9567-2

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