World Academy of Science, Engineering and Technology
Published April 24, 2011 | Version 1777
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A Decomposition Method for the Bipartite Separability of Bell Diagonal States

Description

A new decomposition form is introduced in this report to establish a criterion for the bi-partite separability of Bell diagonal states. A such criterion takes a quadratic inequality of the coefficients of a given Bell diagonal states and can be derived via a simple algorithmic calculation of its invariants. In addition, the criterion can be extended to a quantum system of higher dimension.

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