Bercioux, Dario, Governale, Michele, Cataudella, Vittorio and Marigliano Ramaglia, Vincenzo (2005) Rashba effect in quantum networks. [Pubblicazione in rivista scientifica]
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Item Type: | Pubblicazione in rivista scientifica |
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Title: | Rashba effect in quantum networks |
Creators: | Creators Email Bercioux, Dario UNSPECIFIED Governale, Michele UNSPECIFIED Cataudella, Vittorio UNSPECIFIED Marigliano Ramaglia, Vincenzo UNSPECIFIED |
Date: | 2 August 2005 |
Date type: | Publication |
Identification Number: | DOI: 10.1103/PhysRevB.72.075305 |
Journal or Publication Title: | Physical Review B |
Date: | 2 August 2005 |
Volume: | 72 |
Page Range: | pp. 72305-72313 |
Identification Number: | DOI: 10.1103/PhysRevB.72.075305 |
Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/03 - Fisica della materia |
Date Deposited: | 19 Dec 2005 |
Last Modified: | 30 Apr 2014 19:22 |
URI: | http://www.fedoa.unina.it/id/eprint/280 |
Collection description
We present a formalism to study quantum networks made up by single-channel quantum wires in the presence of Rashba spin-orbit coupling and magnetic field. In particular, linear transport through onedimensional and two-dimensional finite-size networks is studied by means of the scattering formalism. In some particular quantum networks, the action of the magnetic field or of the Rashba spin-orbit coupling induces localization of the electron wave function. This phenomenon, which relies on both the quantum-mechanical interference and the geometry of the network, is manifested through the suppression of the conductance for specific values of the spin-orbit-coupling strength or of the magnetic field. Furthermore, the interplay of the Aharonov–Bohm phases and of the non-Abelian phases, introduced by spin-orbit coupling, is discussed in a number of cases.
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