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arXiv:1212.2270quant-ph

Genuine multipartite Einstein-Podolsky-Rosen steering

Q. Y. He, M. D. Reid

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Abstract

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 (GHZ) and Gaussian continuous variable (CV) states in loophole-free scenarios.

arXiv comments
5 pages, 3 figures
Journal reference
Phys Rev Lett. 111, 250403 (2013)
DOI
doi:10.1103/PhysRevLett.111.250403
Subjects
quant-phQuantum Physics

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  1. Multipartite Einstein-Podolsky-Rosen Steering may lead to ultra-secure internet 1 comment

    • The content of the article is freely accessible on the arXiv: http://arxiv.org/abs/1212.2270 And no, this will not lead to ultra-secure internet, which also isn't even mentioned in the article.

      trurl42View on HNParent context

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