Topological order in the vortex-glass phase of high-temperature superconductors

被引:118
作者
Kierfeld, J [1 ]
Nattermann, T [1 ]
Hwa, T [1 ]
机构
[1] UNIV CALIF SAN DIEGO, DEPT PHYS, LA JOLLA, CA 92093 USA
关键词
D O I
10.1103/PhysRevB.55.626
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The stability of a vortex glass phase with quasi-long-range positional order is examined for a disordered layered superconductor. The role of topological defects is investigated using a scaling argument supplemented by a variational calculation. The results indicate that topological order is preserved for some range of parameters in the vortex glass phase. The stability regime is given in terms of a simple Lindemann-like criterion and is consistent with recent experiments.
引用
收藏
页码:626 / 629
页数:4
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