Characterization of distillable and activatable states using entanglement witnesses

B. Kraus; M. Lewenstein; J. I. Cirac

doi:10.1103/PhysRevA.65.042327

Characterization of distillable and activatable states using entanglement witnesses

B. Kraus, M. Lewenstein, J. I. Cirac

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35 Scopus citations

Abstract

A formalism to connect entanglement witnesses and the distillation and activation properties of a state was introduced. The formalism was applied to two cases namely, that one copy of any bipartite state with nonpositive partial transpose (NPPT) was either distillable, or activatable. Secondly, three-partite NPPT states were shown to exist, with the property that two copies could neither be distilled, nor activated.

Original language	English
Article number	042327
Pages (from-to)	423271-423279
Number of pages	9
Journal	Physical Review A
Volume	65
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.65.042327
State	Published - Apr 2002
Externally published	Yes

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10.1103/PhysRevA.65.042327

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title = "Characterization of distillable and activatable states using entanglement witnesses",

abstract = "A formalism to connect entanglement witnesses and the distillation and activation properties of a state was introduced. The formalism was applied to two cases namely, that one copy of any bipartite state with nonpositive partial transpose (NPPT) was either distillable, or activatable. Secondly, three-partite NPPT states were shown to exist, with the property that two copies could neither be distilled, nor activated.",

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AU - Lewenstein, M.

AU - Cirac, J. I.

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AB - A formalism to connect entanglement witnesses and the distillation and activation properties of a state was introduced. The formalism was applied to two cases namely, that one copy of any bipartite state with nonpositive partial transpose (NPPT) was either distillable, or activatable. Secondly, three-partite NPPT states were shown to exist, with the property that two copies could neither be distilled, nor activated.

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Characterization of distillable and activatable states using entanglement witnesses

Abstract

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