Signature of the d-wave gap parameter in the field dependence of the electrothermal conductivity of high-T-c superconductors up to T-c

被引：31
|
作者：
Houssa, M [1 ]
Ausloos, M [1 ]
Pekala, M [1 ]
机构：
[1] UNIV WARSAW,DEPT CHEM,PL-02089 WARSAW,POLAND
来源：
PHYSICAL REVIEW B | 1996年 / 54卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.54.R12713
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We calculate the influence of a magnetic field on a transport property like the electrothermal conductivity P of high-T-c superconductors for either an anisotropic (or not) s-wave or a d(x2-y2)-wave gap parameter. The field dependence of the electrothermal conductivity of Bi2Sr2CaCu2O8, (BiPb)(2)Sr2Ca2Cu3O10, and Tl2Ba2CaCu2O8 compounds near T-c is then analyzed. It is shown that the behavior is consistent with a gap parameter of d(x2-y2)-wave type for reasonable values of the physical parameters and excludes an anisotropic (or not) s-wave symmetry over a temperature range extending up to T-c.
引用
收藏
页码：12713 / 12716
页数：4
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