DOI | Trouver le DOI : https://doi.org/10.1103/PhysRevLett.101.226810 |
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Auteur | Rechercher : Delgado, F.1; Rechercher : Shim, Y.-P.1; Rechercher : Korkusinski, M.1; Rechercher : Gaudreau, L.1; Rechercher : Studenikin, S.A.1; Rechercher : Sachrajda, A.S.1; Rechercher : Hawrylak, P.1 |
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Affiliation | - Conseil national de recherches du Canada. Institut des sciences des microstructures du CNRC
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Format | Texte, Article |
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Sujet | Electron tubes; Magnetic fields; Motion estimation; Optical waveguides; Quantum electronics; Semiconductor quantum dots; Spin dynamics; A magnetic fields; Electron charges; Electron complexes; Interacting electrons; Localized electrons; Microscopic calculations; Relative orientations; Ring configurations; Single electron spins; Spin singlets; Spin valves; Triple quantum |
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Résumé | We present a theory of spin-selective Aharonov-Bohm oscillations in a lateral triple quantum dot. We show that to understand the Aharonov-Bohm (AB) effect in an interacting electron system within a triple quantum dot molecule (TQD) where the dots lie in a ring configuration requires one to not only consider electron charge but also spin. Using a Hubbard model supported by microscopic calculations we show that, by localizing a single electron spin in one of the dots, the current through the TQD molecule depends not only on the flux but also on the relative orientation of the spin of the incoming and localized electrons. AB oscillations are predicted only for the spin singlet electron complex resulting in a magnetic field tunable "spin valve." © 2008 The American Physical Society. |
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Date de publication | 2008 |
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Dans | |
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Langue | anglais |
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Publications évaluées par des pairs | Oui |
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Numéro NPARC | 21274611 |
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Exporter la notice | Exporter en format RIS |
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Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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Identificateur de l’enregistrement | 5b8c8113-7130-443a-ba55-543ce5490323 |
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Enregistrement créé | 2015-03-18 |
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Enregistrement modifié | 2020-04-15 |
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