Observers of quantum systems cannot agree to disagree

Aumann’s agreement theorem states that observers of classical systems can’t “agree to disagree." Here, the authors show that the same epistemic consistency holds for observers of quantum states, but not for observers of post-quantum no-signalling boxes, hinting at its potential status as a phys...

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Autores principales:	Patricia Contreras-Tejada, Giannicola Scarpa, Aleksander M. Kubicki, Adam Brandenburger, Pierfrancesco La Mura
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/5065ee3430394c5aae971eac05259476
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spelling	oai:doaj.org-article:5065ee3430394c5aae971eac052594762021-12-05T12:22:49ZObservers of quantum systems cannot agree to disagree10.1038/s41467-021-27134-62041-1723https://doaj.org/article/5065ee3430394c5aae971eac052594762021-12-01T00:00:00Zhttps://doi.org/10.1038/s41467-021-27134-6https://doaj.org/toc/2041-1723Aumann’s agreement theorem states that observers of classical systems can’t “agree to disagree." Here, the authors show that the same epistemic consistency holds for observers of quantum states, but not for observers of post-quantum no-signalling boxes, hinting at its potential status as a physical principle.Patricia Contreras-TejadaGiannicola ScarpaAleksander M. KubickiAdam BrandenburgerPierfrancesco La MuraNature PortfolioarticleScienceQENNature Communications, Vol 12, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Patricia Contreras-Tejada Giannicola Scarpa Aleksander M. Kubicki Adam Brandenburger Pierfrancesco La Mura Observers of quantum systems cannot agree to disagree
description	Aumann’s agreement theorem states that observers of classical systems can’t “agree to disagree." Here, the authors show that the same epistemic consistency holds for observers of quantum states, but not for observers of post-quantum no-signalling boxes, hinting at its potential status as a physical principle.
format	article
author	Patricia Contreras-Tejada Giannicola Scarpa Aleksander M. Kubicki Adam Brandenburger Pierfrancesco La Mura
author_facet	Patricia Contreras-Tejada Giannicola Scarpa Aleksander M. Kubicki Adam Brandenburger Pierfrancesco La Mura
author_sort	Patricia Contreras-Tejada
title	Observers of quantum systems cannot agree to disagree
title_short	Observers of quantum systems cannot agree to disagree
title_full	Observers of quantum systems cannot agree to disagree
title_fullStr	Observers of quantum systems cannot agree to disagree
title_full_unstemmed	Observers of quantum systems cannot agree to disagree
title_sort	observers of quantum systems cannot agree to disagree
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5065ee3430394c5aae971eac05259476
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Observers of quantum systems cannot agree to disagree

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