量子导引场景中W态的实验多体纠缠与随机性认证
量子物理
2017-04-13 v2
摘要
最近[Cavalcanti 等, Nat Commun 6, 7941 (2015)]提出了一种在非对称网络中认证纠缠存在的方法,其中部分用户无法控制其所执行的测量。这种不对称性自然出现在现实情况中,例如量子网络上的密码协议。在此,我们实施这种“半设备无关”技术,在三量子比特光子W态上实验见证所有类型的纠缠。此外,我们分析了在该场景中可从三量子比特W态的任意二分划认证的真随机性的数量。
引用
@article{arxiv.1609.00226,
title = {Experimental multipartite entanglement and randomness certification of the W state in the quantum steering scenario},
author = {A. Máttar and P. Skrzypczyk and G. H. Aguilar and R. V. Nery and P. H. Souto Ribeiro and S. P. Walborn and D. Cavalcanti},
journal= {arXiv preprint arXiv:1609.00226},
year = {2017}
}
备注
v2: text improved, steering witness redefined so that their violation provides the steering robustness, experimental data included in an appendix