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Separability criteria for several classes of n-partite quantum states

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Abstract.

In this paper, we mainly discuss the separability of n-partite quantum states using elements of density matrices. Practical separability criteria for different classes of n-qubit and n-qudit quantum states are obtained. Some of them are also sufficient conditions for genuine entanglement of n-partite quantum states. Moreover, one of the resulting criteria is also necessary and sufficient for a class of n-partite states.

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Authors and Affiliations

  1. College of Mathematics and Information Science, Hebei Normal University, Shijiazhuang, 050016, P.R. China

    T. Gao & Y. Hong

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  1. T. Gao
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  2. Y. Hong
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Correspondence to T. Gao.

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Gao, T., Hong, Y. Separability criteria for several classes of n-partite quantum states. Eur. Phys. J. D 61, 765–771 (2011). https://doi.org/10.1140/epjd/e2010-10432-4

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  • DOI: https://doi.org/10.1140/epjd/e2010-10432-4

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