Impurity scattering effect on the specific-heat jump in anisotropic superconductors

被引：7
|
作者：
Haran, G
Taylor, J
Nagi, ADS
机构：
[1] Department of Physics, University of Waterloo, Waterloo, ON
来源：
PHYSICAL REVIEW B | 1997年 / 55卷 / 17期
关键词：
HIGH-TEMPERATURE SUPERCONDUCTORS; D-WAVE SUPERCONDUCTORS; PENETRATION-DEPTH; FERMION SUPERCONDUCTORS; SINGLE-CRYSTALS; GAP ANISOTROPY; YBA2CU3O7-DELTA; DEPENDENCE; YBA2CU3O6.95; TRANSPORT;
D O I：
10.1103/PhysRevB.55.11778
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The specific-heat jump at a normal-superconducting phase transition in an anisotropic superconductor with nonmagnetic impurities is calculated within a weak-coupling mean-field approximation. It is shown that its dependence on the impurity concentration is remarkably different for d(x2-y2)-wave and (d(x2-y2)+s)-wave states. This effect may be used as a test for the presence of an s-wave admixture in the cuprates.
引用
收藏
页码：11778 / 11784
页数：7
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