Constructing optimal entanglement witnesses. II

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dc.contributor.authorChruściński, Dariuszpl
dc.contributor.authorPytel, Justynapl
dc.date.accessioned2012-11-30T08:46:16Z
dc.date.available2012-11-30T08:46:16Z
dc.date.issued2010-06-15pl
dc.description.abstractWe provide a class of optimal nondecomposable entanglement witnesses for 4N x 4N composite quantum systems or, equivalently, a new construction of nondecomposable positive maps in the algebra of 4N x 4N complex matrices. This construction provides natural generalization of the Robertson map. It is shown that their structural physical approximations give rise to entanglement breaking channels.pl
dc.identifier.citationPhys. Rev. A 82, 052310 (2010)pl
dc.identifier.urihttp://repozytorium.umk.pl/handle/item/177
dc.language.isoeng
dc.relation.urihttp://arxiv.org/abs/1006.3059pl
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.subjectQuantum Physicspl
dc.subjectMathematical Physicspl
dc.titleConstructing optimal entanglement witnesses. IIpl
dc.typeinfo:eu-repo/semantics/articlepl

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