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      Supercurrent generation by spin injection in a s-wave superconductor-Rashba metal bilayer

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          Abstract

          The spin-galvanic (inverse Edelstein) and inverse spin-Hall effects are calculated for a hybrid system that combines thin superconductor and Rashba-metal layers. These effects are produced by a nonequilibrium spin polarization which is injected into the normal metal layer. This polarization gives rise to an electric potential that relaxes within some characteristic length, which is determined by the Andreev reflection. Within this length the dissipative electric current of quasiparticles in the normal layer converts into the supercurrent. This process involves only subgap states and at the low temperature inelastic electron-phonon interactions are not important. It is discussed how such a hybrid system can be integrated into a SQID where it produces the effect similar to a magnetic flux.

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          Author and article information

          Journal
          2016-11-29
          Article
          1611.09532
          2c032491-1e72-436f-9eae-09eed4c12ac2

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          History
          Custom metadata
          12 pages, 2 figures
          cond-mat.supr-con cond-mat.mes-hall

          Condensed matter,Nanophysics
          Condensed matter, Nanophysics

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