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The Einstein–Podolsky–Rosen Steering and Its Certification

1,2,3, 1,2, 1,2,*, 1,2,* and 1,2,*
1
Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
2
CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
3
Institute for Quantum Science and Engineering, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
*
Authors to whom correspondence should be addressed.
Entropy 2019, 21(4), 422; https://doi.org/10.3390/e21040422
Received: 17 January 2019 / Revised: 3 April 2019 / Accepted: 16 April 2019 / Published: 20 April 2019
(This article belongs to the Special Issue Quantum Nonlocality)
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Abstract

The Einstein–Podolsky–Rosen (EPR) steering is a subtle intermediate correlation between entanglement and Bell nonlocality. It not only theoretically completes the whole picture of non-local effects but also practically inspires novel quantum protocols in specific scenarios. However, a verification of EPR steering is still challenging due to difficulties in bounding unsteerable correlations. In this survey, the basic framework to study the bipartite EPR steering is discussed, and general techniques to certify EPR steering correlations are reviewed. View Full-Text
Keywords: EPR steering; quantum correlation; non-locality; entanglement; uncertainty relations EPR steering; quantum correlation; non-locality; entanglement; uncertainty relations
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Zhen, Y.-Z.; Xu, X.-Y.; Li, L.; Liu, N.-L.; Chen, K. The Einstein–Podolsky–Rosen Steering and Its Certification. Entropy 2019, 21, 422.

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