Fast and robust spin manipulation in a quantum dot by electric fields

Yue Ban; Xi Chen; E. Ya Sherman; J. G. Muga

doi:10.1103/PhysRevLett.109.206602

Fast and robust spin manipulation in a quantum dot by electric fields

Yue Ban^*
, Xi Chen
, E. Ya Sherman
, J. G. Muga

^*Autor correspondiente de este trabajo

Shanghai University

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

73 Citas (Scopus)

Resumen

We apply an invariant-based inverse engineering method to control, by time-dependent electric fields, the spin dynamics in a quantum dot with spin-orbit coupling in a weak magnetic field. The designed electric fields provide a shortcut to adiabatic processes that flip the spin rapidly, thus avoiding decoherence effects. This approach, being robust with respect to the device-dependent noise, can open new possibilities for spin-based quantum information processing.

Idioma original	Inglés
Número de artículo	206602
Publicación	Physical Review Letters
Volumen	109
N.º	20
DOI	https://doi.org/10.1103/PhysRevLett.109.206602
Estado	Publicada - 13 nov 2012
Publicado de forma externa	Sí

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abstract = "We apply an invariant-based inverse engineering method to control, by time-dependent electric fields, the spin dynamics in a quantum dot with spin-orbit coupling in a weak magnetic field. The designed electric fields provide a shortcut to adiabatic processes that flip the spin rapidly, thus avoiding decoherence effects. This approach, being robust with respect to the device-dependent noise, can open new possibilities for spin-based quantum information processing.",

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AB - We apply an invariant-based inverse engineering method to control, by time-dependent electric fields, the spin dynamics in a quantum dot with spin-orbit coupling in a weak magnetic field. The designed electric fields provide a shortcut to adiabatic processes that flip the spin rapidly, thus avoiding decoherence effects. This approach, being robust with respect to the device-dependent noise, can open new possibilities for spin-based quantum information processing.

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Fast and robust spin manipulation in a quantum dot by electric fields

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