| License: Creative Commons: Attribution-Noncommercial-Share Alike 3.0 PDF - Published Version (919kB) | |
| PDF - Accepted Version arXiv PDF (17.11.2007) (455kB) | |
| PDF - Submitted Version arXiv PDF (17.07.2007) (445kB) |
- URN to cite this document:
- urn:nbn:de:bvb:355-epub-25731
- DOI to cite this document:
- 10.5283/epub.2573
Abstract
We consider the possibility to employ a quantum wire realized in a two-dimensional electron gas (2DEG) as a spin ratchet. We show that a net spin current without accompanying net charge transport can be induced in the nonlinear regime by an unbiased external driving via an ac voltage applied between the contacts at the ends of the quantum wire. To achieve this, we make use of the coupling of the ...
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