Detection of Multipartite Entanglement Based on Heisenberg-Weyl Representation of Density Matrices

被引：0
|
作者：
Hui Zhao
Yu Yang
Naihuan Jing
Zhi-Xi Wang
Shao-Ming Fei
机构：
[1] Faculty of Science,Department of Mathematics
[2] Beijing University of Technology,Department of Mathematics
[3] North Carolina State University,School of Mathematical Sciences
[4] Capital Normal University,undefined
[5] Max-Planck-Institute for Mathematics in the Sciences,undefined
来源：
International Journal of Theoretical Physics | / 61卷
关键词：
Heisenberg-Weyl representation; Genuine entanglement; Correlation tensor;
D O I：
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学科分类号：
摘要：
We study entanglement and genuine entanglement of tripartite and four-partite quantum states by using Heisenberg-Weyl (HW) representation of density matrices. Based on the correlation tensors in HW representation, we present criteria to detect entanglement and genuine tripartite and four-partite entanglement. Detailed examples show that our method can detect more entangled states than previous criteria.
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