Generalized Curie-Weiss Model and Quadratic Pressure in Ergodic Theory
Abstract
We explain the Curie Weiss model in Statistical Mechanics within the Ergodic viewpoint. More precisely, we simultaneously define in , on the one hand a generalized Curie Weiss model within the Statistical Mechanics viewpoint and on the other hand, quadratic free energy and quadratic pressure within the Ergodic Theory viewpoint. We show that there are finitely many invariant measures which maximize the quadratic free energy. They are all Dynamical Gibbs Measures. Moreover, the Probabilistic Gibbs measures for generalized Curie Weiss model converge to a determined combination of the (dynamical) conformal measures associated to these Dynamical Gibbs Measures. The standard Curie Weiss model is a particular case of our generalized Curie Weiss model. An Ergodic viewpoint over the Curie Weiss Potts model is also given.
Keywords
Cite
@article{arxiv.1612.07909,
title = {Generalized Curie-Weiss Model and Quadratic Pressure in Ergodic Theory},
author = {R. Leplaideur and F. Watbled},
journal= {arXiv preprint arXiv:1612.07909},
year = {2017}
}
Comments
21 pages. This version improves the first one. We deal with the general case and not only the short range case