中文

含点缺陷高温超导体相图中的拓扑序

凝聚态物理 2009-10-28 v2

摘要

应用Kierfeld、Nattermann和Hwa先前获得的类Lindemann判据 [Phys. Rev. B 55, 626 (1997)],我们估计了高-TcT_c超导体中磁场和温度的值,在该值下,拓扑有序的涡旋玻璃相相对于无序诱导的位错形成变得不稳定。所采用的判据被证明等价于传统的唯象Lindemann判据,包括数值因子(即Lindemann数)的值。计算了拓扑有序涡旋玻璃的位置相关长度。

关键词

引用

@article{arxiv.cond-mat/9609045,
  title  = {Topological Order in the Phase Diagram for High-Temperature Superconductors with Point Defects},
  author = {J. Kierfeld},
  journal= {arXiv preprint arXiv:cond-mat/9609045},
  year   = {2009}
}

备注

8 pages, REVTEX 3.0, uses epsf, 1 eps-figure, major changes: Lindemann-like criterion is applied to YBCO, the electromagnetic coupling and the possibility of strong pinning are considered, version accepted for publication in Physica C