Correlations for computation and computation for correlations

Abstract Quantum correlations are central to the foundations of quantum physics and form the basis of quantum technologies. Here, our goal is to connect quantum correlations and computation: using quantum correlations as a resource for computation—and vice versa, using computation to test quantum co...

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Autores principales:	Bülent Demirel, Weikai Weng, Christopher Thalacker, Matty Hoban, Stefanie Barz
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
Acceso en línea:	https://doaj.org/article/f371d1955fbf4ec6a368260b97eb1dd4
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id	oai:doaj.org-article:f371d1955fbf4ec6a368260b97eb1dd4
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spelling	oai:doaj.org-article:f371d1955fbf4ec6a368260b97eb1dd42021-12-02T13:30:11ZCorrelations for computation and computation for correlations10.1038/s41534-020-00354-22056-6387https://doaj.org/article/f371d1955fbf4ec6a368260b97eb1dd42021-02-01T00:00:00Zhttps://doi.org/10.1038/s41534-020-00354-2https://doaj.org/toc/2056-6387Abstract Quantum correlations are central to the foundations of quantum physics and form the basis of quantum technologies. Here, our goal is to connect quantum correlations and computation: using quantum correlations as a resource for computation—and vice versa, using computation to test quantum correlations. We derive Bell-type inequalities that test the capacity of quantum states for computing Boolean functions within a specific model of computation and experimentally investigate them using 4-photon Greenberger–Horne–Zeilinger (GHZ) states. Furthermore, we show how the resource states can be used to specifically compute Boolean functions—which can be used to test and verify the non-classicality of the underlying quantum states. The connection between quantum correlation and computability shown here has applications in quantum technologies, and is important for networked computing being performed by measurements on distributed multipartite quantum states.Bülent DemirelWeikai WengChristopher ThalackerMatty HobanStefanie BarzNature PortfolioarticlePhysicsQC1-999Electronic computers. Computer scienceQA75.5-76.95ENnpj Quantum Information, Vol 7, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
spellingShingle	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 Bülent Demirel Weikai Weng Christopher Thalacker Matty Hoban Stefanie Barz Correlations for computation and computation for correlations
description	Abstract Quantum correlations are central to the foundations of quantum physics and form the basis of quantum technologies. Here, our goal is to connect quantum correlations and computation: using quantum correlations as a resource for computation—and vice versa, using computation to test quantum correlations. We derive Bell-type inequalities that test the capacity of quantum states for computing Boolean functions within a specific model of computation and experimentally investigate them using 4-photon Greenberger–Horne–Zeilinger (GHZ) states. Furthermore, we show how the resource states can be used to specifically compute Boolean functions—which can be used to test and verify the non-classicality of the underlying quantum states. The connection between quantum correlation and computability shown here has applications in quantum technologies, and is important for networked computing being performed by measurements on distributed multipartite quantum states.
format	article
author	Bülent Demirel Weikai Weng Christopher Thalacker Matty Hoban Stefanie Barz
author_facet	Bülent Demirel Weikai Weng Christopher Thalacker Matty Hoban Stefanie Barz
author_sort	Bülent Demirel
title	Correlations for computation and computation for correlations
title_short	Correlations for computation and computation for correlations
title_full	Correlations for computation and computation for correlations
title_fullStr	Correlations for computation and computation for correlations
title_full_unstemmed	Correlations for computation and computation for correlations
title_sort	correlations for computation and computation for correlations
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f371d1955fbf4ec6a368260b97eb1dd4
work_keys_str_mv	AT bulentdemirel correlationsforcomputationandcomputationforcorrelations AT weikaiweng correlationsforcomputationandcomputationforcorrelations AT christopherthalacker correlationsforcomputationandcomputationforcorrelations AT mattyhoban correlationsforcomputationandcomputationforcorrelations AT stefaniebarz correlationsforcomputationandcomputationforcorrelations
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Correlations for computation and computation for correlations

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