Separability Criterion for Bipartite States and Its Generalization to Multipartite Systems

doi:10.1088/0256-307X/31/4/040303

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Abstract：A group of symmetric operators are introduced to carry out the separability criterion for bipartite and multipartite quantum states. All the symmetric operators, represented by a symmetric matrix with only two nonzero elements, and their arbitrary linear combinations are found to be entanglement witnesses. By using these symmetric operators, Wootters' separability criterion for two-qubit states can be generalized to bipartite and multipartite systems in arbitrary dimensions.

收稿日期: 2013-11-27 出版日期: 2014-03-25

:	03.67.Mn	(Entanglement measures, witnesses, and other characterizations)
	03.65.Fd	(Algebraic methods)

引用本文:

. [J]. 中国物理快报, 2014, 31(04): 40303-040303.
HUANG Jie-Hui, HU Li-Yun, WANG Lei, ZHU Shi-Yao. Separability Criterion for Bipartite States and Its Generalization to Multipartite Systems. Chin. Phys. Lett., 2014, 31(04): 40303-040303.

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https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/31/4/040303 或 https://cpl.iphy.ac.cn/CN/Y2014/V31/I04/40303

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