COHERENT COOPER PAIR TUNNELING IN SYSTEMS OF JOSEPHSON-JUNCTIONS - EFFECTS OF QUASI-PARTICLE TUNNELING AND OF THE ELECTROMAGNETIC ENVIRONMENT

被引:61
作者
VANDENBRINK, AM [1 ]
ODINTSOV, AA [1 ]
BOBBERT, PA [1 ]
SCHON, G [1 ]
机构
[1] DELFT UNIV TECHNOL, DEPT APPL PHYS, 2628 CJ DELFT, NETHERLANDS
来源
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER | 1991年 / 85卷 / 03期
关键词
D O I
10.1007/BF01307644
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Small capacitance tunnel junctions show single electron effects and, in the superconducting state, the coherent tunneling of Cooper pairs. We study these effects in a system of two Josephson junctions, driven by a voltage source with a finite impedance. Novel features show up in the I - V characteristics, in particular pronounced structures at subgap voltages. These are due to Cooper pair tunneling, combined with tunneling of quasiparticles or with excitation of the electromagnetic environment.
引用
收藏
页码:459 / 467
页数:9
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