Conductance of d-wave superconductor/normal metal/d-wave superconductor junctions

被引：0
|
作者：
Pesin, D. A. [1 ]
Andreev, A. V. [1 ]
Spivak, B. [1 ]
机构：
[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 24期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevLett.100.247004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We develop a theory of the conductance of superconductor/normal metal/superconductor junctions in the case where the superconducting order parameter has d-wave symmetry. At low temperature the conductance is proportional to the square root of the inelastic electron relaxation time in the bulk of the superconductor. As a result it turns out to be much larger than the conductance of the normal part of the junction.
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