Lower bound on concurrence for arbitrary-dimensional tripartite quantum states

Lower bound on concurrence for arbitrary-dimensional tripartite quantum states
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任意维三方量子态并发下界

DOI:
10.1007/s11128-016-1369-x
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发表时间:
2016-03
影响因子:
2.5
通讯作者:
Zheng Zhu-Jun
Zheng Zhu-Jun
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Chen Wei;Fei Shao-Ming;Zheng Zhu-Jun

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在本文中,我们研究了任意维三方量子态的并发。根据子状态的并发性获得明确的操作并发性下限。给定的示例表明,我们的下限可能会改善众所周知的现有并发下限。我们的结果的意义在于当我们研究任意维三方量子态的并发时得到一个下界。
In this paper, we study the concurrence of arbitrary-dimensional tripartite quantum states. An explicit operational lower bound of concurrence is obtained in terms of the concurrence of substates. A given example shows that our lower bound may improve the well-known existing lower bounds of concurrence. The significance of our result is to get a lower bound when we study the concurrence of arbitrary-dimensional tripartite quantum states.
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