中文

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 p\textit{p} 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。

关键词

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This paper has been withdrawn by the author due to it is about a new version of arXiv:1412.0606, which will be replaced immediately