典型文献
Entanglement witnesses of four-qubit tripartite separable quantum states
文献摘要：
A quantum entangled state is easily disturbed by noise and degenerates into a separable state.Compared to the entanglement with bipartite quantum systems,less progress has been made for the entanglement with multipartite quantum systems.For tripartite separability of a four-qubit system,we propose two entanglement witnesses,each of which corresponds to a necessary condition of tripartite separability.For the four-qubit GHZ state mixed with a W state and white noise,we prove that the necessary conditions of tripartite separability are also sufficient at W states side.
文献关键词：
中图分类号：
作者姓名：
Miao Xu;Wei-Feng Zhou;Feng Chen;Li-Zhen Jiang;Xiao-Yu Chen
作者机构：
College of Information and Electronic Engineering,Zhejiang Gongshang University,Hangzhou 310018,China;School of Information&Electrical Engineering,Zhejiang University City College,Hangzhou 310015,China
文献出处：
引用格式：
[1]Miao Xu;Wei-Feng Zhou;Feng Chen;Li-Zhen Jiang;Xiao-Yu Chen-.Entanglement witnesses of four-qubit tripartite separable quantum states)[J].理论物理,2022(03):20-26
A类：
degenerates
B类：
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AB值：
0.511459
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