Genuine Multipartite Einstein-Podolsky-Rosen Steering

Genuine Multipartite Einstein-Podolsky-Rosen Steering
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DOI:
10.1103/physrevlett.111.250403
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发表时间:
2013-12-18
影响因子:
8.6
通讯作者:
Reid, M. D.
Reid, M. D.
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
He, Q. Y.;Reid, M. D.

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我们开发的概念,真正的N分爱因斯坦-波多尔斯基-罗森(EPR)转向。这种非定域性是原始EPR悖论的自然多部扩展。有用的属性出现,不能保证真正的多体纠缠态。特别是,与单边的、设备无关的量子秘密共享任务有着密切的联系。我们推导出不等式,以证明多部EPR转向格林伯格-霍恩-蔡林格和高斯连续变量状态的无漏洞的情况下。
We develop the concept of genuine N-partite Einstein-Podolsky-Rosen (EPR) steering. This nonlocality is the natural multipartite extension of the original EPR paradox. Useful properties emerge that are not guaranteed for genuine multipartite entangled states. In particular, there is a close link with the task of one-sided, device-independent quantum secret sharing. We derive inequalities to demonstrate multipartite EPR steering for Greenberger-Horne-Zeilinger and Gaussian continuous variable states in loophole-free scenarios.