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Self-testing properties of Gisin's elegant Bell inequality
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013). Stockholm University.ORCID iD: 0000-0002-1726-4892
Stockholm University.
Stockholm University.
Stockholm University.
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2017 (English)In: Physical Review A: covering atomic, molecular, and optical physics and quantum information, ISSN 2469-9926, E-ISSN 2469-9934, Vol. 96, no 3, article id 032119Article in journal (Refereed) Published
Abstract [en]

An experiment in which the Clauser-Horne-Shimony-Holt inequality is maximally violated is self-testing (i.e., it certifies in a device-independent way both the state and the measurements). We prove that an experiment maximally violating Gisin's elegant Bell inequality is not similarly self-testing. The reason can be traced back to the problem of distinguishing an operator from its complex conjugate. We provide a complete and explicit characterization of all scenarios in which the elegant Bell inequality is maximally violated. This enables us to see exactly how the problem plays out.

Place, publisher, year, edition, pages
American Physical Society, 2017. Vol. 96, no 3, article id 032119
Keywords [en]
Physical Sciences, Fysik
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:kau:diva-90726DOI: 10.1103/PhysRevA.96.032119OAI: oai:DiVA.org:kau-90726DiVA, id: diva2:1674680
Available from: 2022-06-22 Created: 2022-06-22 Last updated: 2022-06-22Bibliographically approved

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Andersson, Ole

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