Quantification and scaling of multipartite entanglement in continuous variable systems

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dc.creatorAdesso, Gerardo
dc.creatorSerafini, Alessio
dc.creatorIlluminati, Fabrizio
dc.date2004-06-09
dc.date2004-10-15
dc.date.accessioned2026-07-07T06:09:52Z
dc.date.available2026-07-07T06:09:52Z
dc.descriptionWe present a theoretical method to determine the multipartite entanglement between different partitions of multimode, fully or partially symmetric Gaussian states of continuous variable systems. For such states, we determine the exact expression of the logarithmic negativity and show that it coincides with that of equivalent two--mode Gaussian states. Exploiting this reduction, we demonstrate the scaling of the multipartite entanglement with the number of modes and its reliable experimental estimate by direct measurements of the global and local purities.
dc.description4 pages, 2 figures; to be published in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/quant-ph/0406053
dc.identifierhttp://arxiv.org/abs/quant-ph/0406053
dc.identifierPhys.Rev.Lett. 93 (2004) 220504
dc.identifierdoi:10.1103/PhysRevLett.93.220504
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/92111
dc.subjectQuantum Physics
dc.subjectOther Condensed Matter
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.subjectOptics
dc.titleQuantification and scaling of multipartite entanglement in continuous variable systems
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