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dc.contributor.author
Romano, Carla Lidia
dc.contributor.author
Tamborenea, Pablo Ignacio
dc.contributor.author
Ulloa, S.E.
dc.date.available
2019-03-08T20:20:32Z
dc.date.issued
2006-12
dc.identifier.citation
Romano, Carla Lidia; Tamborenea, Pablo Ignacio; Ulloa, S.E.; Spin relaxation rates in quasi-one-dimensional coupled quantum dots; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 74; 15; 12-2006; 1554331-1554335
dc.identifier.issn
1098-0121
dc.identifier.uri
http://hdl.handle.net/11336/71292
dc.description.abstract
We study theoretically the electron-spin relaxation rate in quasi-one-dimensional coupled semiconductor quantum dots. The cross-sectional confinement or shape of these nanorods can be chosen so that either the Rashba or the Dresselhaus spin-orbit coupling is present. We consider acoustic-phonon-mediated transitions between the ground state and the next two higher-energy eigenstates. These three states are nondegenerate due to the interdot coupling, which causes a symmetric-antisymmetric gap, and a competition with the Zeeman splitting. With Rashba coupling and at fixed Zeeman splitting the two upper states display an anticrossing versus interdot barrier width, which is shown to be associated with a sharp cusp in the spin relaxation rate.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Physical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Spin Relaxation
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Quantum Dots
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Spin relaxation rates in quasi-one-dimensional coupled quantum dots
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-02-12T17:43:59Z
dc.journal.volume
74
dc.journal.number
15
dc.journal.pagination
1554331-1554335
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Woodbury
dc.description.fil
Fil: Romano, Carla Lidia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
dc.description.fil
Fil: Tamborenea, Pablo Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
dc.description.fil
Fil: Ulloa, S.E.. Ohio University; Estados Unidos
dc.journal.title
Physical Review B: Condensed Matter and Materials Physics
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1103/PhysRevB.74.155433
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.74.155433
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