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Geometry of quantum states: new construction of positive maps

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dc.contributor.author Chruściński, Dariusz
dc.contributor.author Kossakowski, Andrzej
dc.date.accessioned 2012-11-30T08:46:17Z
dc.date.available 2012-11-30T08:46:17Z
dc.date.issued 2009-02-05
dc.identifier.citation Phys. Lett. A 373 (2009) 2301
dc.identifier.uri http://repozytorium.umk.pl/handle/item/187
dc.description.abstract We provide a new class of positive maps in matrix algebras. The construction is based on the family of balls living in the space of density matrices of n-level quantum system. This class generalizes the celebrated Choi map and provide a wide family of entanglement witnesses which define a basic tool for analyzing quantum entanglement.
dc.language.iso eng
dc.relation.uri http://arxiv.org/abs/0902.0885
dc.rights info:eu-repo/semantics/openAccess
dc.subject Quantum Physics
dc.title Geometry of quantum states: new construction of positive maps
dc.type info:eu-repo/semantics/article


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