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Type: Artigo de periódico
Title: Rabi Oscillation Damping Of Two-level States In Quantum Dots
Author: Mogilevtsev D.
Nisovtsev A.P.
Kilin S.
Cavalcanti S.B.
Brandi H.S.
Oliveira L.E.
Abstract: Within a general approach suitable to describe a coherently driven two-level system interacting with a dephasing reservoir, we have proposed various mechanisms to explain the nature of the damping of Rabi oscillations with increasing driving-pulse area in localized two-level semiconductor systems. We have shown that the non-Markovian character of the reservoir leads to the dependence of the dephasing rate on the driving-field intensity, as observed experimentally. Furthermore, we have also shown that stationary as well as non-stationary effects resulting from the coupling to the environment may give rise to intensity-dependent damping of oscillations. © 2007 Elsevier B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.physe.2007.09.057
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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