Scheid, Matthias and Bercioux, Dario and Richter, Klaus
Spin–orbit based coherent spin ratchets.
Chemical Physics 375, pp. 276-283.
at publisher (via DOI)
Other URL: http://dx.doi.org/10.1016/j.chemphys.2010.05.001, http://arxiv.org/abs/1004.5279
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 ...
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