Bell violation for unknown continuous-variable states

We describe a new Bell test for two-particle entangled systems that engages an unbounded continuous variable. The continuous variable state is allowed to be arbitrary and inaccessible to direct measurements. A systematic method is introduced to perform the required measurements indirectly. Our resul...

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Bibliographic Details
Main Authors: X-F Qian, C J Broadbent, J H Eberly
Format: Article
Language:English
Published: IOP Publishing 2014-01-01
Series:New Journal of Physics
Online Access:https://doi.org/10.1088/1367-2630/16/1/013033
Description
Summary:We describe a new Bell test for two-particle entangled systems that engages an unbounded continuous variable. The continuous variable state is allowed to be arbitrary and inaccessible to direct measurements. A systematic method is introduced to perform the required measurements indirectly. Our results provide new perspectives on both the study of local realistic theory for continuous-variable systems and on the non-local control theory of quantum information.
ISSN:1367-2630