A decomposition method for the bipartite separability of bell diagonal states

Wei Chih Su; Kuan Peng Chen; Ming Chung Tsai; Zheng Yao Su

A decomposition method for the bipartite separability of bell diagonal states

Wei Chih Su, Kuan Peng Chen, Ming Chung Tsai, Zheng Yao Su

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	732-735
Number of pages	4
Journal	World Academy of Science, Engineering and Technology
Volume	76
Publication status	Published - 2011 Apr 1

All Science Journal Classification (ASJC) codes

Engineering(all)

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abstract = "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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AB - 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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