Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories

Bermudez, A.; Aarts, Gert; Muller, Markus

doi:10.1103/physrevx.7.041012

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Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories

A. Bermudez, Gert Aarts

, Markus Muller

Physical Review X, Volume: 7, Issue: 4

Swansea University Authors: Gert Aarts , Markus Muller

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DOI (Published version): 10.1103/physrevx.7.041012

Abstract

Difficult problems described in terms of interacting quantum fields evolving in real time or out of equilibrium are abound in condensed-matter and high-energy physics. Addressing such problems via controlled experiments in atomic, molecular, and optical physics would be a breakthrough in the field o...

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Published in:	Physical Review X
ISSN:	2160-3308
Published:	American Physical Society (APS) 2017
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa35311
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first_indexed	2017-09-18T13:02:52Z
last_indexed	2020-07-29T12:54:01Z
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spelling	2020-07-29T10:47:49.7462323 v2 35311 2017-09-18 Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories 1ba0dad382dfe18348ec32fc65f3f3de 0000-0002-6038-3782 Gert Aarts Gert Aarts true false 9b2ac559af27c967ece69db08b83762a Markus Muller Markus Muller true false 2017-09-18 SPH Difficult problems described in terms of interacting quantum fields evolving in real time or out of equilibrium are abound in condensed-matter and high-energy physics. Addressing such problems via controlled experiments in atomic, molecular, and optical physics would be a breakthrough in the field of quantum simulations. In this work, we present a quantum-sensing protocol to measure the generating functional of an interacting quantum field theory and, with it, all the relevant information about its in or out of equilibrium phenomena. Our protocol can be understood as a collective interferometric scheme based on a generalization of the notion of Schwinger sources in quantum field theories, which make it possible to probe the generating functional. We show that our scheme can be realized in crystals of trapped ions acting as analog quantum simulators of self-interacting scalar quantum field theories. Journal Article Physical Review X 7 4 American Physical Society (APS) 2160-3308 19 10 2017 2017-10-19 10.1103/physrevx.7.041012 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University RCUK, STFC, ST/L000369/1 2020-07-29T10:47:49.7462323 2017-09-18T12:08:56.8468065 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics A. Bermudez 1 Gert Aarts 0000-0002-6038-3782 2 Markus Muller 3 0035311-24102017121531.pdf PhysRevX.7.041012.pdf 2017-10-24T12:15:31.2470000 Output 832538 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution 4.0 International license (CC-BY). true eng https://creativecommons.org/licenses/by/4.0/
title	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories
spellingShingle	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories Gert Aarts Markus Muller
title_short	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories
title_full	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories
title_fullStr	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories
title_full_unstemmed	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories
title_sort	Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories
author_id_str_mv	1ba0dad382dfe18348ec32fc65f3f3de 9b2ac559af27c967ece69db08b83762a
author_id_fullname_str_mv	1ba0dad382dfe18348ec32fc65f3f3de_*_Gert Aarts 9b2ac559af27c967ece69db08b83762a_*_Markus Muller
author	Gert Aarts Markus Muller
author2	A. Bermudez Gert Aarts Markus Muller
format	Journal article
container_title	Physical Review X
container_volume	7
container_issue	4
publishDate	2017
institution	Swansea University
issn	2160-3308
doi_str_mv	10.1103/physrevx.7.041012
publisher	American Physical Society (APS)
college_str	Faculty of Science and Engineering
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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	Difficult problems described in terms of interacting quantum fields evolving in real time or out of equilibrium are abound in condensed-matter and high-energy physics. Addressing such problems via controlled experiments in atomic, molecular, and optical physics would be a breakthrough in the field of quantum simulations. In this work, we present a quantum-sensing protocol to measure the generating functional of an interacting quantum field theory and, with it, all the relevant information about its in or out of equilibrium phenomena. Our protocol can be understood as a collective interferometric scheme based on a generalization of the notion of Schwinger sources in quantum field theories, which make it possible to probe the generating functional. We show that our scheme can be realized in crystals of trapped ions acting as analog quantum simulators of self-interacting scalar quantum field theories.
published_date	2017-10-19T03:43:54Z
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score	11.013619

Quantum Sensors for the Generating Functional of Interacting Quantum Field Theories

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