Intrinsic asymmetry with respect to adversary: a new feature of Bell inequalities

Paweł Horodecki; Marcin Pawłowski; Ryszard Horodecki

doi:10.1088/1751-8113/47/42/424016

Intrinsic asymmetry with respect to adversary: a new feature of Bell inequalities

Abstract

It is known that the local bound of a Bell inequality is sensitive to the knowledge of the external observer about the settings statistics. Here we ask how that sensitivity depends on the structure of that knowledge. It turns out that in some cases it may happen that the local bound is much more sensitive to the adversaryʼs knowledge about the settings of one party than the other. Remarkably, there are Bell inequalities which are highly asymmetric with respect to the adversaryʼs knowledge about local settings. This property may be viewed as a hidden intrinsic asymmetry of Bell inequalities. Potential implications of the revealed asymmetry effect are also discussed.

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Authors (3)

Paweł Horodecki prof. dr hab.
Marcin Pawłowski
- Uniwersytet Gdański Wydział Fizyki
Ryszard Horodecki
- Uniwersytet Gdański Wydział Fizyki

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Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: Journal of Physics A-Mathematical and Theoretical no. 47, edition 42, pages 1 - 9,
ISSN: 1751-8113
Language:: English
Publication year:: 2014
Bibliographic description:: Horodecki P., Pawłowski M., Horodecki R.: Intrinsic asymmetry with respect to adversary: a new feature of Bell inequalities// Journal of Physics A-Mathematical and Theoretical. -Vol. 47, iss. 42 (2014), s.1-9
DOI:: Digital Object Identifier (open in new tab) 10.1088/1751-8113/47/42/424016
Verified by:: Gdańsk University of Technology