Electron transport in mesoscopic disordered superconductor-normal-metal-superconductor junctions

被引:83
作者
Bardas, A
Averin, DV
机构
[1] Department of Physics, State University of New York at Stony Brook, Stony Brook
关键词
D O I
10.1103/PhysRevB.56.R8518
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have generalized the scattering-matrix theory of multiple Andreev reflections in mesoscopic Josephson junctions to the multiple-mode case, and applied it to short superconductor-normal-metal-superconductor (SNS) junctions with diffusive electron transport. Both the de and ac current-voltage characteristics art analyzed for a wide range of bias voltages V. For voltages smaller than the supeconducting gap the de differential conductance of the SNS junction is predicted to diverge as 1/root V.
引用
收藏
页码:R8518 / R8521
页数:4
相关论文
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