基于贪婪格点动物的二维随机场Ising模型关联长度
概率论
2022-07-20 v3 数学物理
math.MP
摘要
对于随机场由方差为的独立同分布零均值高斯变量给出的二维随机场Ising模型,我们研究(一种自然的)关联长度概念,即随机场与边界条件对自旋磁化的影响相当时的盒子临界尺寸。我们证明当时,在零温下关联长度按标度(且我们的上界适用于所有正温度)。
关键词
引用
@article{arxiv.2011.08768,
title = {Correlation length of the two-dimensional random field Ising model via greedy lattice animal},
author = {Jian Ding and Mateo Wirth},
journal= {arXiv preprint arXiv:2011.08768},
year = {2022}
}
备注
Section 4 explains (without claiming credit) the proof of greedy lattice animal using Talagrand (2014); Section 5 keeps our `original' proof as a record (which will be omitted from the journal version)