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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Distillability via protocols respecting the positivity of partial transpose.

PubMed

Authors: Eggeling T, Vollbrecht KG, Werner RF, Wolf MM

Year

2001

Paper ID

13202

Status

Peer-reviewed

Abstract Read

~2 min

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Abstract

We show that all quantum states that do not have a positive partial transpose are distillable via channels, which preserve the positivity of the partial transpose. The question whether bound entangled states with non-positive partial transpose exist is therefore closely related to the connection between the set of separable superoperators and positive partial transpose-preserving maps.

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We show that all quantum states that do not have a positive partial transpose are distillable via channels, which preserve the positivity of the partial transpose.

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References & Citation Signals

[1] DOI https://doi.org/10.1103/PhysRevLett.87.257902 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/11736606/

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External citation index: OpenAlex citation signal • updated 2026-06-13 04:51:50

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