一类长程哈密顿系统中的 metastable 状态
统计力学
2015-06-24 v1
摘要
我们通过数值方法表明,在一种广义模型中也存在类似于Hamiltonian Mean Field Model中所发现的准稳态状态(Quasi Stationary States)。该模型包含N个经典自旋(或旋转体)通过衰减为r^{-α}的铁磁耦合相互作用,其中r为它们在规则晶格上的距离。简要讨论了随N的缩放规律。
引用
@article{arxiv.cond-mat/0109178,
title = {Metastable states in a class of long-range Hamiltonian systems},
author = {Alessandro Campa and Andrea Giansanti and Daniele Moroni},
journal= {arXiv preprint arXiv:cond-mat/0109178},
year = {2015}
}
备注
Latex 2e, 11 pages, 3 eps figures, contributed paper to the conf. "NEXT 2001", 23-30 May 2001, Cagliari (Italy), submitted to Physica A