| 三体Bell对角态的纠缠 |
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| 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. |
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| 作者姓名： | 赵慧 张兴华 |
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| 作者单位： | 北京工业大学应用数理学院,北京,100124;北京工业大学应用数理学院,北京,100124 |
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| 基金项目： | 国家自然科学基金资助项目(10826086); 北京工业大学自然科学基础研究基金资助项目(00600054K2008) |
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| 摘 要： | 给出了三体223Bell对角态纠缠判定的一个必要条件和333Bell对角态纠缠的充分条件,进一步研究了333Bell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.
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| 关 键 词： | Bell对角态 纠缠 密度矩阵 |
Entanglement of Tripartite Bell Diagonal States |
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| ZHAO Hui,ZHANG Xing-hua.Entanglement of Tripartite Bell Diagonal States[J].Journal of Beijing Polytechnic University,2011,37(2):306-313. |
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| Authors: | ZHAO Hui ZHANG Xing-hua |
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| Affiliation: | ZHAO Hui,ZHANG Xing-hua(College of Applied Sciences,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | A necessary condition of entanglement for tripartite 223 Bell diagonal states and a sufficient condition of entanglement for 333 Bell diagonal states are presented.Moreover,the relation between entanglement of 333 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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| Keywords: | Bell diagonal states entanglement density matrix |
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