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Название: The statistics of Curie-Weiss models
Авторы: Ellis, Richard S., Newman, Charles M.
Let S n denote the random total magnetization of an n-site Curie-Weiss model, a collection of n (spin) random variables with an equal interaction of strength 1/n between each pair of spins. The asymptotic behavior for large n of the probability distribution of S n is analyzed and related to the well-known (mean-field) thermodynamic properties of these models. One particular result is that at a type- k critical point ( S n- nm)/n1-1/2k has a limiting distribution with density proportional to exp[-λs 2k/( 2k)!], where m is the mean magnetization per site and A is a positive critical parameter with a universal upper bound. Another result describes the asymptotic behavior relevant to metastability.