Quantum steering in a star network

被引：1
作者：
Jiang, Guangming [1 ]
Wu, Xiaohua [1 ]
Zhou, Tao [2 ,3 ]
机构：
[1] Sichuan Univ, Coll Phys Sci & Technol, Chengdu 610064, Peoples R China
[2] Southwest Jiaotong Univ, Sch Phys Sci & Technol, Quantum Optoelect Lab, Chengdu 610031, Peoples R China
[3] Southwest Jiaotong Univ, Sch Phys Sci & Technol, Dept Appl Phys, Chengdu 611756, Peoples R China
来源：
EPL | 2024年 / 146卷 / 06期
基金：
中国国家自然科学基金;
关键词：
ENTANGLEMENT; INEQUALITY;
D O I：
10.1209/0295-5075/ad4fbc
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
- In this work, we will consider the star network scenario where the central party is trusted while all the edge parties (with a number of n ) are untrusted. Network steering is defined with an n local hidden state model which can be viewed as a special kind of n local hidden variable model. Two different types of sufficient criteria, nonlinear steering inequality and linear steering inequality will be constructed to verify the quantum steering in a star network. Based on the linear steering inequality, how to detect the network steering with a fixed measurement will be discussed.
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收藏
页数：8
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