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Einstein-Podolsky-Rosen Steering Inequalities and Applications

by Ying Yang 1,2 and Huaixin Cao 1,*
1
School of Mathematics and Information Science, Shaanxi Normal University, Xi’an 710062, China
2
School of Mathematics and Information Technology, Yuncheng University, Yuncheng 044000, China
*
Author to whom correspondence should be addressed.
Entropy 2018, 20(9), 683; https://doi.org/10.3390/e20090683
Received: 6 August 2018 / Revised: 1 September 2018 / Accepted: 5 September 2018 / Published: 7 September 2018
(This article belongs to the Special Issue Entropic Uncertainty Relations and Their Applications)
Einstein-Podolsky-Rosen (EPR) steering is very important quantum correlation of a composite quantum system. It is an intermediate type of nonlocal correlation between entanglement and Bell nonlocality. In this paper, based on introducing definitions and characterizations of EPR steering, some EPR steering inequalities are derived. With these inequalities, the steerability of the maximally entangled state is checked and some conditions for the steerability of the X -states are obtained. View Full-Text
Keywords: steerability; unsteerability; steering inequality steerability; unsteerability; steering inequality
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Yang, Y.; Cao, H. Einstein-Podolsky-Rosen Steering Inequalities and Applications. Entropy 2018, 20, 683.

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