Spin–orbit based coherent spin ratchets

URN to cite this document:: urn:nbn:de:bvb:355-epub-188086
DOI to cite this document:: 10.5283/epub.18808

Scheid, Matthias ; Bercioux, Dario

; Richter, Klaus

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Date of publication of this fulltext: 17 Dec 2010 08:03

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Abstract

The concept of ratchets, driven asymmetric periodic structures giving rise to directed particle flow, has recently been generalized to a quantum ratchet mechanism for spin currents mediated through spin-orbit interaction. Here we consider such systems in the coherent mesoscopic regime and generalize the proposal of a minimal spin ratchet model based on a non-interacting clean quantum wire with ...