Interplay between quantum dissipation and an in-plane magnetic field in the spin ratchet effect

URN to cite this document:: urn:nbn:de:bvb:355-epub-78384
DOI to cite this document:: 10.5283/epub.7838

Smirnov, Sergey ; Bercioux, Dario ; Grifoni, Milena ; Richter, Klaus

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Date of publication of this fulltext: 05 Aug 2009 13:57

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Abstract

We investigate the existence of the pure spin ratchet effect in a dissipative quasi-one-dimensional system with Rashba spin-orbit interaction. The system is additionally placed into a transverse uniform stationary in-plane magnetic field. It is shown that the effect exists at low temperatures and pure spin currents can be generated by applying an unbiased ac driving to the system. An analytical ...