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Quantifying spatial correlations of general quantum dynamics

Ángel Rivas, Markus Müller, Markus Muller

New Journal of Physics, Volume: 17, Issue: 7, Start page: 079602

Swansea University Author: Markus Muller

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DOI (Published version): 10.1088/1367-2630/17/7/079602

Abstract

Understanding the role of correlations in quantum systems is both a fundamental challenge as well as of high practical relevance for the control of multi-particle quantum systems. Whereas a lot of research has been devoted to study the various types of correlations that can be present in the states...

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Published in: New Journal of Physics
Published: 2015
URI: https://cronfa.swan.ac.uk/Record/cronfa28642
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spelling 2019-06-18T16:52:23.9483923 v2 28642 2016-06-03 Quantifying spatial correlations of general quantum dynamics 9b2ac559af27c967ece69db08b83762a Markus Muller Markus Muller true false 2016-06-03 FGSEN Understanding the role of correlations in quantum systems is both a fundamental challenge as well as of high practical relevance for the control of multi-particle quantum systems. Whereas a lot of research has been devoted to study the various types of correlations that can be present in the states of quantum systems, in this work we introduce a general and rigorous method to quantify the amount of correlations in the dynamics of quantum systems. Using a resource-theoretical approach, we introduce a suitable quantifier and characterize the properties of correlated dynamics. Furthermore, we benchmark our method by applying it to the paradigmatic case of two atoms weakly coupled to the electromagnetic radiation field, and illustrate its potential use to detect and assess spatial noise correlations in quantum computing architectures. Journal Article New Journal of Physics 17 7 079602 18 6 2015 2015-06-18 10.1088/1367-2630/17/7/079602 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2019-06-18T16:52:23.9483923 2016-06-03T17:40:21.4202779 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ángel Rivas 1 Markus Müller 2 Markus Muller 3 0028642-05062016114902.pdf Mueller_NJP_2015.pdf 2016-06-05T11:49:02.2670000 Output 1487682 application/pdf Accepted Manuscript true 2016-06-05T00:00:00.0000000 Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. true
title Quantifying spatial correlations of general quantum dynamics
spellingShingle Quantifying spatial correlations of general quantum dynamics
Markus Muller
title_short Quantifying spatial correlations of general quantum dynamics
title_full Quantifying spatial correlations of general quantum dynamics
title_fullStr Quantifying spatial correlations of general quantum dynamics
title_full_unstemmed Quantifying spatial correlations of general quantum dynamics
title_sort Quantifying spatial correlations of general quantum dynamics
author_id_str_mv 9b2ac559af27c967ece69db08b83762a
author_id_fullname_str_mv 9b2ac559af27c967ece69db08b83762a_***_Markus Muller
author Markus Muller
author2 Ángel Rivas
Markus Müller
Markus Muller
format Journal article
container_title New Journal of Physics
container_volume 17
container_issue 7
container_start_page 079602
publishDate 2015
institution Swansea University
doi_str_mv 10.1088/1367-2630/17/7/079602
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
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description Understanding the role of correlations in quantum systems is both a fundamental challenge as well as of high practical relevance for the control of multi-particle quantum systems. Whereas a lot of research has been devoted to study the various types of correlations that can be present in the states of quantum systems, in this work we introduce a general and rigorous method to quantify the amount of correlations in the dynamics of quantum systems. Using a resource-theoretical approach, we introduce a suitable quantifier and characterize the properties of correlated dynamics. Furthermore, we benchmark our method by applying it to the paradigmatic case of two atoms weakly coupled to the electromagnetic radiation field, and illustrate its potential use to detect and assess spatial noise correlations in quantum computing architectures.
published_date 2015-06-18T03:34:53Z
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