Quantum Non-locality and Partial Transposition for Continuous-Variable Systems

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dc.creatorSalles, Alejo
dc.creatorCavalcanti, Daniel
dc.creatorAcín, Antonio
dc.date2008-04-29
dc.date2008-07-25
dc.date.accessioned2026-07-07T09:52:30Z
dc.date.available2026-07-07T09:52:30Z
dc.descriptionA continuous-variable Bell inequality, valid for an arbitrary number of observers measuring observables with an arbitrary number of outcomes, was recently introduced in [Cavalcanti \emph{et al.}, Phys. Rev. Lett. {\bf 99}, 210405 (2007)]. We prove that any $n$-mode quantum state violating this inequality with quadrature measurements necessarily has a negative partial transposition. Our results thus establish the first link between nonlocality and bound entanglement for continuous-variable systems.
dc.description4 pages, no figures; reference added, minor changes, close to published version
dc.identifierhttps://arxiv.org/abs/0804.4703
dc.identifierhttp://arxiv.org/abs/0804.4703
dc.identifierPhys. Rev. Lett. 101, 040404 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.040404
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/165620
dc.subjectQuantum Physics
dc.titleQuantum Non-locality and Partial Transposition for Continuous-Variable Systems
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