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The critical equation of state of the 2D Ising model

Caselle, M. and Hasenbusch, M. and Pelissetto, A. and Vicari, E. (2001) The critical equation of state of the 2D Ising model. Journal of Physics A: Mathematical and General, A34 . p. 2923. ISSN 1361-6447

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We compute the 2n-point coupling constants in the high-temperature phase of the 2d Ising model by using transfer-matrix techniques. This provides the first few terms of the expansion of the effective potential (Helmholtz free energy) and of the equation of state in terms of the renormalized magnetization. By means of a suitable parametric representation, we determine an analytic extension of these expansions, providing the equation of state in the whole critical region in the t,h plane.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (until 2012) > DIPARTIMENTO DI FISICA " E. FERMI"
Depositing User: dott.ssa Sandra Faita
Date Deposited: 08 Apr 2015 17:59
Last Modified: 08 Apr 2015 17:59
URI: http://eprints.adm.unipi.it/id/eprint/1783

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