Marigliano Ramaglia, Vincenzo and Cataudella, Vittorio and De Filippis, Giulio and Perroni, Carmine Antonio (2005) Ballistic transport in one-dimensional loops with Rashba and Dresselhaus spin-orbit coupling. Physical Review B. (Sottomesso)
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| Tipologia del documento: | Preprint | ||||||||||
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| Titolo: | Ballistic transport in one-dimensional loops with Rashba and Dresselhaus spin-orbit coupling | ||||||||||
| Autori: |
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| Data: | Novembre 2005 | ||||||||||
| Tipo di data: | Sottomissione | ||||||||||
| Titolo del periodico: | Physical Review B | ||||||||||
| Data: | Novembre 2005 | ||||||||||
| Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/03 - Fisica della materia | ||||||||||
| Depositato il: | 06 Dic 2005 | ||||||||||
| Ultima modifica: | 30 Apr 2014 19:22 | ||||||||||
| URI: | http://www.fedoa.unina.it/id/eprint/246 |
Abstract
We discuss the combined effect of Rashba and Dresselhaus spin-orbit interactions in polygonal loops formed by quantum wires, when the electron are injected in a node and collected at the opposite one. The conditions that allow perfect localization are found. Furthermore, we investigate the suppression of the Al'tshuler--Aronov--Spivak oscillations that appear, in presence of a magnetic flux, when the electrons are injected and collected at the same node. Finally, we point out that a recent realization of a ballistic spin interferometer can be used to obtain a reliable estimate of the magnitude ratio of the two spin-orbit interactions.\bigskip
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