Bell’s theorem for temporal order

Bell’s theorem for temporal order

Time has a fundamentally different character in quantum mechanics and in general relativity. Here, the authors consider a thought experiment where a massive body in a spatial superposition leads to entanglement of temporal orders between time-like events, resulting in a violation of a Bell-type ineq...

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Main Authors: Magdalena Zych, Fabio Costa, Igor Pikovski, Časlav Brukner
Format: Article
Language:English
Published: Nature Publishing Group 2019-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-019-11579-x
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spelling doaj-a0c786e8747f43988d6b6e24541fe4d52021-05-11T11:46:41ZengNature Publishing GroupNature Communications2041-17232019-08-0110111010.1038/s41467-019-11579-xBell’s theorem for temporal orderMagdalena Zych0Fabio Costa1Igor Pikovski2Časlav Brukner3Centre for Engineered Quantum Systems, School of Mathematics and Physics, The University of QueenslandCentre for Engineered Quantum Systems, School of Mathematics and Physics, The University of QueenslandITAMP, Harvard-Smithsonian Center for AstrophysicsVienna Center for Quantum Science and Technology (VCQ), Faculty of Physics, University of ViennaTime has a fundamentally different character in quantum mechanics and in general relativity. Here, the authors consider a thought experiment where a massive body in a spatial superposition leads to entanglement of temporal orders between time-like events, resulting in a violation of a Bell-type inequality.https://doi.org/10.1038/s41467-019-11579-x
collection DOAJ
language English
format Article
sources DOAJ
author Magdalena Zych
Fabio Costa
Igor Pikovski
Časlav Brukner
spellingShingle Magdalena Zych
Fabio Costa
Igor Pikovski
Časlav Brukner
Bell’s theorem for temporal order
Nature Communications
author_facet Magdalena Zych
Fabio Costa
Igor Pikovski
Časlav Brukner
author_sort Magdalena Zych
title Bell’s theorem for temporal order
title_short Bell’s theorem for temporal order
title_full Bell’s theorem for temporal order
title_fullStr Bell’s theorem for temporal order
title_full_unstemmed Bell’s theorem for temporal order
title_sort bell’s theorem for temporal order
publisher Nature Publishing Group
series Nature Communications
issn 2041-1723
publishDate 2019-08-01
description Time has a fundamentally different character in quantum mechanics and in general relativity. Here, the authors consider a thought experiment where a massive body in a spatial superposition leads to entanglement of temporal orders between time-like events, resulting in a violation of a Bell-type inequality.
url https://doi.org/10.1038/s41467-019-11579-x
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