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arXiv · 2205.15493

Detection of multipartite entanglement based on Heisenberg-Weyl representation of density matrices

Hui Zhao·Yu Yang·Naihuan Jing·Zhi-Xi Wang·Shao-Ming Fei
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Abstract

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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Hui Zhao, Yu Yang, Naihuan Jing, Zhi-Xi Wang, Shao-Ming Fei. 2022-05-31. Detection of multipartite entanglement based on Heisenberg-Weyl representation of density matrices. https://doi.org/10.1007/s10773-022-05123-9

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