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Published December 2004 | Published + Submitted
Journal Article Open

Robust semidefinite programming approach to the separability problem

Abstract

We express the optimization of entanglement witnesses for arbitrary bipartite states in terms of a class of convex optimization problems known as robust semidefinite programs (RSDPs). We propose, using well known properties of RSDPs, several sufficient tests for separability of mixed states. Our results are then generalized to multipartite density operators.

Additional Information

© 2004 The American Physical Society. Received 4 May 2004; published 9 December 2004. Financial support from the Brazilian agencies CNPq, Institutos do Milênio-Informação Quântica, and FAPEMIG is acknowledged.

Attached Files

Published - PhysRevA.70.062309.pdf

Submitted - 0405008v2.pdf

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Created:
August 19, 2023
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