Experimentally friendly bounds on non-Gaussian entanglement from second moments

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dc.creatorAdesso, Gerardo
dc.date2009-01-21
dc.date2009-01-22
dc.date.accessioned2026-07-07T12:41:09Z
dc.date.available2026-07-07T12:41:09Z
dc.descriptionWe demonstrate that the entanglement in a class of two-mode non-Gaussian states obtained by subtracting photons from Gaussian twin beams can be bounded from above and from below by functionals of the second moments only. Knowledge of the covariance matrix thus suffices for an entanglement quantification with appreciable precision. The absolute error in the entanglement estimation scales with the non-Gaussianity of the considered states.
dc.description5 pages, 2 figures. To appear in PRA
dc.identifierhttps://arxiv.org/abs/0901.3190
dc.identifierhttp://arxiv.org/abs/0901.3190
dc.identifierPhys. Rev. A 79, 022315 (2009)
dc.identifierdoi:10.1103/PhysRevA.79.022315
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219674
dc.subjectQuantum Physics
dc.titleExperimentally friendly bounds on non-Gaussian entanglement from second moments
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