CONDUCTANCE OF NORMAL-SUPERCONDUCTOR CONTACTS DUE TO THE ANDREEV REFLECTION

被引：13
|
作者：
TAKANE, Y
EBISAWA, H
机构：
[1] Department of Engineering Science, Tohoku University
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1992年 / 61卷 / 10期
关键词：
D O I：
10.1143/JPSJ.61.3466
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Low-bias conductance of impure normal-superconductor contacts is studied theoretically in the limit of the small Andreev reflection probability. Its dependence on both magnetic field and temperature is obtained. In the calculation, we focus our attention on the interference effect between an electron and a hole that is suggested to be significant by van Wees et al. It is shown that the conductance is sensitively suppressed by a magnetic field or temperature.
引用
收藏
页码：3466 / 3469
页数：4
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