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Romano, C.L.; Tamborenea, P.I.; Ulloa, S.E. "Spin relaxation rates in quasi-one-dimensional coupled quantum dots" (2006) Physical Review B - Condensed Matter and Materials Physics. 74(15)
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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. © 2006 The American Physical Society.

Registro:

Documento: Artículo
Título:Spin relaxation rates in quasi-one-dimensional coupled quantum dots
Autor:Romano, C.L.; Tamborenea, P.I.; Ulloa, S.E.
Filiación:Department of Physics J. J. Giambiagi, University of Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Department of Physics and Astronomy, Nanoscale and Quantum Phenomena Institute, Ohio University, Athens, OH 45701-2979, United States
Año:2006
Volumen:74
Número:15
DOI: http://dx.doi.org/10.1103/PhysRevB.74.155433
Título revista:Physical Review B - Condensed Matter and Materials Physics
Título revista abreviado:Phys. Rev. B Condens. Matter Mater. Phys.
ISSN:10980121
CODEN:PRBMD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v74_n15_p_Romano

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Citas:

---------- APA ----------
Romano, C.L., Tamborenea, P.I. & Ulloa, S.E. (2006) . Spin relaxation rates in quasi-one-dimensional coupled quantum dots. Physical Review B - Condensed Matter and Materials Physics, 74(15).
http://dx.doi.org/10.1103/PhysRevB.74.155433
---------- CHICAGO ----------
Romano, C.L., Tamborenea, P.I., Ulloa, S.E. "Spin relaxation rates in quasi-one-dimensional coupled quantum dots" . Physical Review B - Condensed Matter and Materials Physics 74, no. 15 (2006).
http://dx.doi.org/10.1103/PhysRevB.74.155433
---------- MLA ----------
Romano, C.L., Tamborenea, P.I., Ulloa, S.E. "Spin relaxation rates in quasi-one-dimensional coupled quantum dots" . Physical Review B - Condensed Matter and Materials Physics, vol. 74, no. 15, 2006.
http://dx.doi.org/10.1103/PhysRevB.74.155433
---------- VANCOUVER ----------
Romano, C.L., Tamborenea, P.I., Ulloa, S.E. Spin relaxation rates in quasi-one-dimensional coupled quantum dots. Phys. Rev. B Condens. Matter Mater. Phys. 2006;74(15).
http://dx.doi.org/10.1103/PhysRevB.74.155433