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Geometry of joint reality: Device-independent steering and operational completeness

Hall, Michael J W; Rivas, Angel


We look at what type of arguments can rule out the joint reality (or value definiteness) of two observables of a physical system, such as a qubit, and give several strong yet simple no-go results based on assumptions typically weaker than those considered previously. The first result uses simple geometry combined with a locality assumption to derive device-independent steering inequalities. These may also be regarded as "conditional" Bell inequalities, are simpler in principle to test than...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.100.062105
Access Rights: Open Access


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