Artículo
Rashba coupling in quantum dots: An exact solution
Fecha de publicación:
09/2004
Editorial:
American Physical Society
Revista:
Physical Review B
ISSN:
0163-1829
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We present an analytic solution to one-particle Schrödinger equation for an electron in a quantum dot with hard-wall confining potential in the presence of both magnetic field and spin-orbit coupling. Wave-functions, energy levels, and spin-flip relaxation times are calculated to all orders in the spin-orbit coupling and the magnetic field. Without the orbital contribution of the magnetic field, we find that the effective gyromagnetic ratio is strongly suppressed by the spin-orbit coupling. The spin-flip relaxation rate then has a maximum as a function of the spin-orbit coupling and is therefore suppressed in both the weak- and strong-coupling limits. In the presence of the orbital contribution of the magnetic field the effective gyromagnetic ratio changes sign in some cases.
Palabras clave:
Rashba
,
Spin Orbit
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Articulos(IFIBA)
Articulos de INST.DE FISICA DE BUENOS AIRES
Articulos de INST.DE FISICA DE BUENOS AIRES
Citación
Tsitsishvili, E.; Lozano, Gustavo Sergio; Gogolin, A.O.; Rashba coupling in quantum dots: An exact solution; American Physical Society; Physical Review B; 70; 11; 9-2004; 115316-115320
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