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SCHEME FOR THE PREPARATION OF ENTANGLEMENT OF ATOMIC ENSEMBLES

XU, LIN-LIN ; YU, YA-FEI ; ZHANG, ZHI-MING

International journal of quantum information, 2009-12, Vol.7 (8), p.1459-1467 [Periódico revisado por pares]

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Título:
SCHEME FOR THE PREPARATION OF ENTANGLEMENT OF ATOMIC ENSEMBLES
Autor: XU, LIN-LIN ; YU, YA-FEI ; ZHANG, ZHI-MING
É parte de: International journal of quantum information, 2009-12, Vol.7 (8), p.1459-1467
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: In this paper, we present a scheme to prepare the W state and the GHZ state of many atomic ensembles based on the dynamics of the atomic system of a single control atom and an atomic ensemble dispersively coupling with a cavity, where the control atom is illuminated by a highly detuned auxiliary classical field at the same time. The dynamics of the atomic system can be described by an effective Jaynes–Cummings model (JCM) with the atomic ensemble as the bosonic mode. The preparation of the entangled states is deterministic. Because the cavity is always in the vacuum state during the whole evolution process, our scheme is less sensitive to the cavity decay.
Editor: World Scientific Publishing Company
Idioma: Inglês;Chinês

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