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Título

Atom–atom entanglement generated at early times by two-photon emission

AutorLeón, Juan ; Sabín, Carlos
Palabras clave[PACS] Entanglement production and manipulation
[PACS] Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
[PACS] Quantum description of interaction of light and matter; related experiments
Fecha de publicaciónabr-2009
EditorRoyal Swedish Academy of Sciences
Institute of Physics Publishing
CitaciónPhysica Scripta (2009), stacks.iop.org/PhysScr/T134/ [Article in press]
ResumenWe analyze entanglement generation between a pair of neutral two-level atoms that are initially excited in a common electromagnetic vacuum. The nonlocal correlations that appear due to the interaction with the field can become entanglement when the field state is known. We distinguish two different situations: in the first, the field remains in the vacuum state and second two photons are present in the final state. In both cases, we study the dependence of the entanglement on time and interatomic distance, at ranges related with locality issues.
Descripción4 pages, 4 figures.-- PACS nrs.: 03.67.Bg, 03.65.Ud, 42.50.Ct.-- ArXiv pre-print available at: http://arxiv.org/abs/0810.2246
Article in press
Versión del editorhttp://stacks.iop.org/PhysScr/T134/
URIhttp://hdl.handle.net/10261/12251
ISSN0031-8949
Aparece en las colecciones: (CFMAC-IFF) Artículos
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