Detection methods to rule out completely co-positive and bi-entangling operations

In this work we extend the quantum channel detection method developed in Refs. [1, 2] in order to detect other interesting convex sets of quantum channels. First we work out a procedure to detect non completely co-positive maps. Then we focus on the set of so-called bi-entangling operations and show...

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Bibliographic Details
Published in:Journal of physics. Conference series 2013-01, Vol.470 (1), p.12005-6
Main Authors: Macchiavello, C, Rossi, M
Format: Article
Language:English
Subjects:
Channels
Convexity
Physics
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Summary:In this work we extend the quantum channel detection method developed in Refs. [1, 2] in order to detect other interesting convex sets of quantum channels. First we work out a procedure to detect non completely co-positive maps. Then we focus on the set of so-called bi-entangling operations and show how a map outside this set can be revealed. In both cases we provide explicit examples showing the theoretical technique and the corresponding experimental procedure.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/470/1/012005