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| PDF - Submitted Version dated 26.08.2011 (1MB) | |
| PDF - Draft Version arXiv PDF (21.04.2011) (567kB) |
- URN to cite this document:
- urn:nbn:de:bvb:355-epub-219367
- DOI to cite this document:
- 10.5283/epub.21936
Abstract
We show how the coupling between opposite edge states, which overlap in a constriction made of the topological insulator mercury telluride (HgTe), can be employed both for steering the charge flow into different edge modes and for controlled spin switching. Unlike in a conventional spin transistor, the switching does not rely on a tunable Rashba spin-orbit interaction, but on the energy ...
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