Local extraction of EPR entanglement from classical systems

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dc.creatorKaszlikowski, D.
dc.creatorVedral, V.
dc.date2006-06-28
dc.date.accessioned2026-07-07T07:19:09Z
dc.date.available2026-07-07T07:19:09Z
dc.descriptionCoherent states with large amplitudes are traditionally thought of as the best quantum mechanical approximation of classical behavior. Here we argue that, far from being classical, coherent state are in fact highly entangled. We demonstrate this by showing that a general system of indistinguishable bosons in a coherent state can be used to entangle, by local interactions, two spatially separated and distinguishable non-interacting quantum systems. Entanglement can also be extracted in the same way from number states or any other nontrivial superpositions of them.
dc.description3 pages, no figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0606238
dc.identifierhttp://arxiv.org/abs/quant-ph/0606238
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/114557
dc.subjectQuantum Physics
dc.titleLocal extraction of EPR entanglement from classical systems
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