Lower bound on concurrence for arbitrary-dimensional tripartite quantum systems

Wei Chen, Shao-Ming Fei, and Zhu-Jun Zheng

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Submission date: 05. Aug. 2016
Pages: 10
published in: Quantum information processing, 15 (2016) 9, p. 3761-3771 
DOI number (of the published article): 10.1007/s11128-016-1369-x
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Abstract:
In this paper, we study the concurrence of arbitrary dimensional tripartite quantum systems. An explicit operational lower bound of concurrence is obtained in terms of the concurrence of sub-states. A given example show 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 multipartite quantum systems.