Theory of the Josephson effect in d-wave superconductors

被引：277
|
作者：
Tanaka, Y
Kashiwaya, S
机构：
[1] NIIGATA UNIV,DEPT PHYS,IKARA,NIIGATA 95021,JAPAN
[2] ELECTROTECH LAB,TSUKUBA,IBARAKI 305,JAPAN
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.53.R11957
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A general formula for the Josephson current in a d-wave/insulator/d-wave-superconductor junction is presented by taking account of the zero-energy states formed around the interfaces. For a fixed phase difference between the two superconductors, the current component becomes either positive or negative depending on the injection angle of the quasiparticle. Anomalous temperature dependences are predicted in the maximum Josephson current and in the free-energy minima.
引用
收藏
页码：11957 / 11960
页数：4
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