2D SNS junction with Rashba spin-orbit interaction

Details 2D SNS junction with Rashba spin-orbit interaction 2D SNS junction with Rashba spin-orbit interaction

2005-10-07

arxiv.org/abs/cond-mat/0510182v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages, 3 figures. Changes with respect to the first version: main results are unchanged, although some part of the interpret

Scientific paper

The effect of Rashba spin-orbital interaction upon supercurrent in S-2DEG-S proximity junctions is investigated in the clean limit. Generalization of Beenakker's formula for Andreev levels to the case of spin-orbital scattering is presented. Spin-orbit - induced splitting of Andreev bound-states is predicted for a junction of infinite width, and with non-vanishing normal backscattering at S/N interfaces. Semiclassical average of the Josephson current is however insensitive to the Rashba coupling as long as electron-electron interaction in 2DEG is neglected.

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