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    赵慧, 张兴华. 三体Bell对角态的纠缠[J]. 北京工业大学学报, 2011, 37(2): 306-313.
    引用本文: 赵慧, 张兴华. 三体Bell对角态的纠缠[J]. 北京工业大学学报, 2011, 37(2): 306-313.
    shu
    ZHAO Hui, ZHANG Xing-hua. Entanglement of Tripartite Bell Diagonal States[J]. Journal of Beijing University of Technology, 2011, 37(2): 306-313.
    Citation: ZHAO Hui, ZHANG Xing-hua. Entanglement of Tripartite Bell Diagonal States[J]. Journal of Beijing University of Technology, 2011, 37(2): 306-313.
    shu

    三体Bell对角态的纠缠

    Entanglement of Tripartite Bell Diagonal States

      摘要
    • 摘要: 给出了三体2⊗2⊗3Bell对角态纠缠判定的一个必要条件和3⊗3⊗3Bell对角态纠缠的充分条件,进一步研究了3⊗3⊗3Bell对角态纠缠与密度矩阵部分转置的关系以及Bell对角态负性的数学表达式.

       

      Abstract: A necessary condition of entanglement for tripartite 2⊗2⊗3 Bell diagonal states and a sufficient condition of entanglement for 3⊗3⊗3 Bell diagonal states are presented.Moreover,the relation between entanglement of 3⊗3⊗3 Bell diagonal states and partial transpose of density matrix is investigated.And an analytical expression of negative for Bell diagonal states is presented.

       

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