Measure and detection of genuine multipartite entanglement for n-partite systems

被引：0
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作者：
Wen Xu
Zhu-Jun Zheng
Chuan-Jie Zhu
Shao-Ming Fei
机构：
[1] South China University of Technology,Department of Mathematics
[2] South China University of Technology,Laboratory of Quantum Science and Engineering
[3] Hunan University of Arts and Science,College of Mathematics and Physics Science
[4] Renmin University of China,Department of Physics
[5] Capital Normal University,School of Mathematical Sciences
[6] Max-Planck-Institute for Mathematics in the Sciences,undefined
来源：
The European Physical Journal Plus | / 136卷
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摘要：
We investigate genuine multipartite entanglement (GME) in n-partite systems. The norms of the correlation vectors are used as a powerful tool to dealing with the detection of GME for n-partite quantum systems. A sufficient condition for detecting GME in general multipartite systems is presented. Moreover, an effective lower bound of the GME concurrence is derived, which gives a useful way to measure the GME. Several examples are considered to show the effectiveness of the criterion and the lower bound of GME concurrence.
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