Testing separability of mixed states by looking at them

S. M. Hashemi Rafsanjani; S. Agarwal Rochester

doi:10.1364/FIO.2012.FW3A.48

Frontiers in Optics 2012/Laser Science XXVIII
OSA Technical Digest (online) (Optica Publishing Group, 2012),
paper FW3A.48
•https://doi.org/10.1364/FIO.2012.FW3A.48

Testing separability of mixed states by looking at them

S. M. Hashemi Rafsanjani and S. Agarwal Rochester

Frontiers in Optics 2012

Rochester, New York United States
14–18 October 2012
ISBN: 978-1-55752-956-5

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Poster Session II (FW3A)

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S. M. Hashemi Rafsanjani and S. A. Rochester, "Testing separability of mixed states by looking at them," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optica Publishing Group, 2012), paper FW3A.48.

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Abstract

By focusing on the X-matrix part of a two-qubit density matrix we provide a lower bound for the concurrence. We then generalize the result and provide an algebraic separability test for a mixed bipartite state of arbitrary dimension.

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