二维t-J模型中杂质对库珀对的破坏
凝聚态物理
2009-10-28 v2
摘要
通过精确对角化技术研究了二维t-J模型中杂质引起的库珀对破坏机制。对结合能、配对关联、动力学自旋和配对磁化率的分析表明，非磁性杂质比磁性杂质更能有效地抑制配对，这与Zn和Ni替代的高温超导体的实验研究一致。
引用
@article{arxiv.cond-mat/9510028,
title = {Pair breaking by impurities in the two-dimensional t-J model},
author = {J. Riera and S. Koval and D. Poilblanc and F. Pantigny},
journal= {arXiv preprint arXiv:cond-mat/9510028},
year = {2009}
}
备注
4 pages, Revtex v3.0, 4 figures uuencoded, ask for hardcopies at [email protected] A missleading statement in the introduction was corrected