Test of nonlocality for a continuos-variable state based on arbitrary number of measurement outcomes

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dc.creatorSon, W.
dc.creatorBrukner, C.
dc.creatorKim, M. S.
dc.date2006-02-14
dc.date2006-09-11
dc.date.accessioned2026-07-07T07:04:19Z
dc.date.available2026-07-07T07:04:19Z
dc.descriptionWe propose a scheme to test Bell's inequalities for an arbitrary number of measurement outcomes on entangled continuous variable states. The Bell correlation functions are expressible in terms of phase-space quasiprobability functions with complex ordering parameter, which can experimentally be determined both directly via local CV-qubit interaction or indirectly via tomographic reconstructions. We demonstrate that continuous-variable systems can give stronger violations of these Bell's inequalities than of the ones developed for two-outcome observables. Thus, while keeping the feasibility of the phase-space approach, our scheme increases its efficiency.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0602119
dc.identifierhttp://arxiv.org/abs/quant-ph/0602119
dc.identifierPhys. Rev. Lett. 97, 110401 (2006)
dc.identifierdoi:10.1103/PhysRevLett.97.110401
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/109316
dc.subjectQuantum Physics
dc.titleTest of nonlocality for a continuos-variable state based on arbitrary number of measurement outcomes
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