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. (Submitted)


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Item Type: Article
Date Deposited: 06 Dec 2005
Last Modified: 30 Apr 2014 19:22


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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