Quantum-coherent mixtures of causal relations

The set of causal relations that can connect two systems is much richer in the quantum world. Here the authors show that it is possible to have a coherent mixture of a cause-effect and a common-cause mechanism between two systems, realizing this in a quantum optics experiment.

Bibliographic Details
Main Authors: Jean-Philippe W. MacLean, Katja Ried, Robert W. Spekkens, Kevin J. Resch
Format: Article
Language:English
Published: Nature Publishing Group 2017-05-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/ncomms15149
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spelling doaj-85fb8173d45d434f9063519805f545102021-05-11T07:24:46ZengNature Publishing GroupNature Communications2041-17232017-05-018111010.1038/ncomms15149Quantum-coherent mixtures of causal relationsJean-Philippe W. MacLean0Katja Ried1Robert W. Spekkens2Kevin J. Resch3Institute for Quantum Computing, University of WaterlooInstitute for Quantum Computing, University of WaterlooPerimeter Institute for Theoretical PhysicsInstitute for Quantum Computing, University of WaterlooThe set of causal relations that can connect two systems is much richer in the quantum world. Here the authors show that it is possible to have a coherent mixture of a cause-effect and a common-cause mechanism between two systems, realizing this in a quantum optics experiment.https://doi.org/10.1038/ncomms15149
collection DOAJ
language English
format Article
sources DOAJ
author Jean-Philippe W. MacLean
Katja Ried
Robert W. Spekkens
Kevin J. Resch
spellingShingle Jean-Philippe W. MacLean
Katja Ried
Robert W. Spekkens
Kevin J. Resch
Quantum-coherent mixtures of causal relations
Nature Communications
author_facet Jean-Philippe W. MacLean
Katja Ried
Robert W. Spekkens
Kevin J. Resch
author_sort Jean-Philippe W. MacLean
title Quantum-coherent mixtures of causal relations
title_short Quantum-coherent mixtures of causal relations
title_full Quantum-coherent mixtures of causal relations
title_fullStr Quantum-coherent mixtures of causal relations
title_full_unstemmed Quantum-coherent mixtures of causal relations
title_sort quantum-coherent mixtures of causal relations
publisher Nature Publishing Group
series Nature Communications
issn 2041-1723
publishDate 2017-05-01
description The set of causal relations that can connect two systems is much richer in the quantum world. Here the authors show that it is possible to have a coherent mixture of a cause-effect and a common-cause mechanism between two systems, realizing this in a quantum optics experiment.
url https://doi.org/10.1038/ncomms15149
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