| PDF - Published Version (221kB) | |
| PDF - Accepted Version arXiv PDF (14.06.2008) (146kB) | |
| PDF - Submitted Version arXiv PDF (25.03.2008) (143kB) |
- URN to cite this document:
- urn:nbn:de:bvb:355-epub-78041
- DOI to cite this document:
- 10.5283/epub.7804
Abstract
We predict the possibility to generate a finite stationary spin current by applying an unbiased ac driving to a quasi-one-dimensional asymmetric periodic structure with Rashba spin-orbit interaction and strong dissipation. We show that under a finite coupling strength between the orbital degrees of freedom the electron dynamics at low temperatures exhibits a pure spin ratchet behavior, i.e. a ...
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