BCS模型在规范正则中的基本激发态
超导电性
2011-07-19 v1 强关联电子
摘要
我们总结了关于在规范正则中对可解BCS模型进行的精确基态及基本激发态的前期工作。BCS模型通过Richardson方程求解,亦可用Gaudin方程在大耦合极限下求解。利用这两种求解方法之间的关系,对激发态进行分类。
引用
@article{arxiv.cond-mat/0301417,
title = {The elementary excitations of the BCS model in the canonical ensemble},
author = {G. Sierra and J. M. Roman and J. Dukelsky},
journal= {arXiv preprint arXiv:cond-mat/0301417},
year = {2011}
}
备注
Revtex4 file, 11 pages, 11 figures. Proceedings of the 6th International workshop on Conformal Field Theory and Integrable Models, Chernologka, Russia, Sept. 2002