Transformations of W -type entangled states

The transformations of W -type entangled states by using local operations assisted with classical communication are investigated. For this purpose, a parametrization of the W -type states which remains invariant under local unitary transformations is proposed and a complete characterization of the l...

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Bibliographic Details
Published in:Journal of mathematical physics 2010-09, Vol.51 (9), p.092202-092202-10
Main Authors: Kıntaş, S., Turgut, S.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Information theory
Mathematical methods in physics
Mathematics
Physics
Probability
Quantum physics
Sciences and techniques of general use
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Summary:The transformations of W -type entangled states by using local operations assisted with classical communication are investigated. For this purpose, a parametrization of the W -type states which remains invariant under local unitary transformations is proposed and a complete characterization of the local operations carried out by a single party is given. These are used for deriving the necessary and sufficient conditions for deterministic transformations. A convenient upper bound for the maximum probability of distillation of arbitrary target states is also found.
ISSN:0022-2488
1089-7658
DOI:10.1063/1.3481573