随机晶体场下 Blume-Capel 模型的均值场解
统计力学
2015-02-03 v2
摘要
本文研究了具有无限程铁磁相互作用且处于淬火无序(即随机晶体场)影响下的 Blume-Capel 模型。对于随机晶体场的适当选择,该模型展现出丰富的多临界行为,包括连续和一级相变线以及重入行为。所得相图随无序参数 的变化呈现出多种拓扑结构。文中还讨论了与近期关于随机晶体场下 Blume-Capel 模型结果的比较。
引用
@article{arxiv.1501.07777,
title = {Mean-field solution of the Blume-Capel model under a random crystal field},
author = {Priscila V. dos Santos and Francisco A. da Costa and João M. de Araújo},
journal= {arXiv preprint arXiv:1501.07777},
year = {2015}
}
备注
This paper has been withdrawn by the author due to it is about a new version of arXiv:1412.0606, which will be replaced immediately