t-J模型中自旋波交换诱导的空穴-空穴超导配对
凝聚态物理
2009-10-22 v2
摘要
我们数值研究了自旋波交换诱导的空穴配对。同时考虑了接触空穴-空穴相互作用。假设在与配对相关的所有尺度上反铁磁序得以保持。对于能隙的d波对称性，获得了最强的配对。给出了能隙值对空穴浓度和温度的依赖关系。对于临界温度，我们在空穴浓度δ = 0.2-0.3时得到Tc约为100 K。
引用
@article{arxiv.cond-mat/9406039,
title = {Hole-hole superconducting pairing in the t-J model induced by spin-wave exchange},
author = {V. I. Belinicher and A. L. Chernyshev and A. V. Dotsenko and O. P. Sushkov},
journal= {arXiv preprint arXiv:cond-mat/9406039},
year = {2009}
}
备注
replaced with a revised version to appear in PRB, 6 pages, REVTeX 3.0, figures not changed