Poisson approximations for the Ising model

被引:2
|
作者
Coupier, D [1 ]
机构
[1] Univ Lille, Ecole Polytech, F-59655 Villeneuve Dascq, France
关键词
Poisson approximation; Ising model; ferromagnetic interaction; Stein-Chen method;
D O I
10.1007/s10955-006-9033-y
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A d-dimensional Ising model on a lattice torus is considered. As the size n of the lattice tends to infinity, a Poisson approximation is given for the distribution of the number of copies in the lattice of any given local configuration, provided the magnetic field a = a(n) tends to -infinity and the pair potential b remains fixed. Using the Stein-Chen method, a bound is given for the total variation error in the ferromagnetic case.
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页码:473 / 495
页数:23
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