Inverse spin Hall effect in superconductor/normal-metal/superconductor Josephson junctions

被引:49
|
作者
Mal'shukov, A. G. [1 ]
Sadjina, Severin [2 ]
Brataas, Arne [2 ]
机构
[1] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Oblast, Russia
[2] Norwegian Univ Sci & Technol, Dept Phys, NO-7491 Trondheim, Norway
来源
PHYSICAL REVIEW B | 2010年 / 81卷 / 06期
关键词
SEMICONDUCTORS;
D O I
10.1103/PhysRevB.81.060502
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We consider dc supercurrents in SNS junctions. Spin-orbit coupling in combination with Zeeman fields can induce an effective vector potential in the normal conductor. As a consequence, an out-of-plane spin density varying along the transverse direction causes a longitudinal phase difference between the superconducting terminals. The resulting equilibrium phase-coherent supercurrent is analog to the nonequilibrium inverse spin Hall effect in normal conductors. We explicitly compute the effect for the Rashba spin-orbit coupling in a disordered two-dimensional electron gas with an inhomogeneous perpendicular Zeeman field.
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页数:4
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