Separability and entanglement of four-mode Gaussian states

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dc.creatorMan'ko, Vladimir I.
dc.creatorSergeevich, Alexandr A.
dc.date2009-03-05
dc.date.accessioned2026-07-07T12:49:17Z
dc.date.available2026-07-07T12:49:17Z
dc.descriptionThe known Peres-Horodecki criterion and scaling criterion of separability are considered on examples of three-mode and four-mode Gaussian states of electromagnetic field. It is shown that the principal minors of the photon quadrature dispersion matrix are sensitive to the change of scaling parameters. An empirical observation has shown that the bigger the modulus of negative principal minors, the more entangled the state.
dc.description14 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/0903.0936
dc.identifierhttp://arxiv.org/abs/0903.0936
dc.identifierJ. Russ. Laser Res., 28, 516 (2007)
dc.identifierdoi:10.1007/s10946-007-0039-y
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/222349
dc.subjectQuantum Physics
dc.titleSeparability and entanglement of four-mode Gaussian states
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