Abstract:
We study the transitions between neighboring energy levels in a quasi-one-dimensional semiconductor quantum dot with two interacting electrons in it, when it is subject to a linearly time-dependent electric field. We analyze the applicability of a simple two-level Landau-Zener model to describe the evolution of the probability amplitudes in this realistic system. We show that the Landau-Zener model works very well when it is viewed in the adiabatic basis, but it is not as robust in the diabatic basis.
Registro:
Documento: |
Artículo
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Título: | Landau-Zener transitions in a semiconductor quantum dot |
Autor: | Murgida, G.E.; Wisniacki, D.A.; Tamborenea, P.I. |
Filiación: | Departamento de Fisica 'J.j. Giambiagi', Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
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Palabras clave: | Landau-Zener transitions; Quantum control; Quantum dot; Diabatic; Energy level; Interacting electrons; Landau-Zener models; Landau-Zener transitions; Probability amplitude; Quantum control; Quantum dot; Quasi-one-dimensional; Realistic systems; Time-dependent electric field; Electric fields; Semiconductor quantum dots |
Año: | 2009
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Volumen: | 56
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Número: | 6
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Página de inicio: | 799
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Página de fin: | 804
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DOI: |
http://dx.doi.org/10.1080/09500340802263109 |
Título revista: | Journal of Modern Optics
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Título revista abreviado: | J. Mod. Opt.
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ISSN: | 09500340
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CODEN: | JMOPE
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09500340_v56_n6_p799_Murgida |
Referencias:
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Citas:
---------- APA ----------
Murgida, G.E., Wisniacki, D.A. & Tamborenea, P.I.
(2009)
. Landau-Zener transitions in a semiconductor quantum dot. Journal of Modern Optics, 56(6), 799-804.
http://dx.doi.org/10.1080/09500340802263109---------- CHICAGO ----------
Murgida, G.E., Wisniacki, D.A., Tamborenea, P.I.
"Landau-Zener transitions in a semiconductor quantum dot"
. Journal of Modern Optics 56, no. 6
(2009) : 799-804.
http://dx.doi.org/10.1080/09500340802263109---------- MLA ----------
Murgida, G.E., Wisniacki, D.A., Tamborenea, P.I.
"Landau-Zener transitions in a semiconductor quantum dot"
. Journal of Modern Optics, vol. 56, no. 6, 2009, pp. 799-804.
http://dx.doi.org/10.1080/09500340802263109---------- VANCOUVER ----------
Murgida, G.E., Wisniacki, D.A., Tamborenea, P.I. Landau-Zener transitions in a semiconductor quantum dot. J. Mod. Opt. 2009;56(6):799-804.
http://dx.doi.org/10.1080/09500340802263109