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Entanglement production under electron phonon interaction in a quantum dot

Entanglement production under electron phonon interaction in a quantum dot

We consider the quantum dot entangler device introduced by Oliver et al. [1] coupled to a single phonon mode. While we take the phonon interaction to all orders, we perform a fourth order calculation in electron-dot coupling. Using the Von Neumann entropy we measure the degree of entanglement. We...

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Bibliographic Details
Main Authors: Lopez, A., Medina, E.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2006
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/121327
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Summary:We consider the quantum dot entangler device introduced by Oliver et al. [1] coupled to a single phonon mode. While we take the phonon interaction to all orders, we perform a fourth order calculation in electron-dot coupling. Using the Von Neumann entropy we measure the degree of entanglement. We find that the phonon mechanism habilitates single electron processes which manifest themselves as decoherent processes.

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