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26 April 2024 |
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Genuine High-Order Einstein-Podolsky-Rosen Steering | | Che-Ming Li
; Kai Chen
; Yueh-Nan Chen
; Qiang Zhang
; Yu-Ao Chen
; Jian-Wei Pan
; | | Date: |
7 Jan 2015 | | Abstract: | Einstein-Podolsky-Rosen (EPR) steering demonstrates that two parties share
entanglement even if the measurement devices of one party are untrusted. Here,
going beyond this bipartite concept, we develop a novel formalism to explore a
large class of EPR steering from generic multipartite quantum systems of
arbitrarily high dimensionality and degrees of freedom, such as graph states
and hyperentangled systems. All of these quantum characteristics of genuine
high-order EPR steering can be efficiently certified with few measurement
settings in experiments. We faithfully demonstrate for the first time such
generality by experimentally showing genuine four-partite EPR steering and
applications to universal one-way quantum computing. Our formalism provides a
new insight into the intermediate type of genuine multipartite Bell
non-locality and potential applications to quantum of untrusted measurement
devices. | | Source: | arXiv, 1501.1452 | | Services: | Forum | Review | PDF | Favorites | |
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