Inverse Spin Hall Effect in SNS Josephson Junctions

Details Inverse Spin Hall Effect in SNS Josephson Junctions Inverse Spin Hall Effect in SNS Josephson Junctions

2009-09-08

arxiv.org/abs/0909.1416v1

Physics

Condensed Matter

Superconductivity

4 pages, 2 figures

Scientific paper

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 analogue to the non-equilibrium 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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