Steering criteria from general entropic uncertainty relations
Steering criteria from general entropic uncertainty relations
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DOI：
10.1103/physreva.98.050104
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发表时间：
2018-11-30
影响因子：
2.9
通讯作者：
Guehne, Otfried
中科院分区：
文献类型：
--
作者：
Costa, Ana C. S.;Uola, Roope;Guehne, Otfried
转向效应通过测量描述了一种可能的远距离作用，但描述用于这项任务的量子态仍然很困难。我们提供了一种利用广义熵推导出从熵不确定性关系转向的充分准则的方法。我们证明了结果标准在几个场景中优于现有标准；此外，它们允许人们检测弱可操纵状态。
The effect of steering describes a possible action at a distance via measurements but characterizing the quantum states that can be used for this task remains difficult. We provide a method to derive sufficient criteria for steering from entropic uncertainty relations using generalized entropies. We demonstrate that the resulting criteria outperform existing criteria in several scenarios; moreover, they allow one to detect weakly steerable states.