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Holographic glueballs from the circle reduction of Romans supergravity

, Daniel Elander, Maurizio Piai Orcid Logo, John Roughley

Journal of High Energy Physics, Volume: 2019, Issue: 2

Swansea University Authors: , , , , Maurizio Piai Orcid Logo

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DOI (Published version): 10.1007/JHEP02(2019)101

Abstract

We reconsider a one-parameter class of known solutions of the circle compactification of Romans six-dimensional half-maximal supergravity. The gauge-theory duals ofthese solutions are confining four-dimensional field theories. Their UV completions consist of the compactification on a circle of a hig...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa48660
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spelling 2019-03-11T15:24:07.6785532 v2 48660 2019-01-31 Holographic glueballs from the circle reduction of Romans supergravity faa2a52aefe79a5335b02377ecd4f883 true false 7e7b2e4dfc7fe90bd34554bf8c652b2d true false 2045a480b08881a8b171aa557c6d1fd8 true false b6311c1cf63533fd43e0fa2106a17371 true false 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 2019-01-31 We reconsider a one-parameter class of known solutions of the circle compactification of Romans six-dimensional half-maximal supergravity. The gauge-theory duals ofthese solutions are confining four-dimensional field theories. Their UV completions consist of the compactification on a circle of a higher-dimensional field theory that is flowing between two fixed points in five dimensions. We systematically study the bosonic fluctuations of the supergravity theory, corresponding to the bosonic glueballs of the dual field theory.We perform numerically the calculation of the spectrum of excitations of all the bosonic fields, several of which had been disregarded in earlier work on the subject. We discuss the results as a function of the one parameter characterising the class of background solutions, hence further extending known results. We show how certain towers of states areindependent of the background, and compare these states to existing lattice literature on four-dimensional Yang-Mills (pure) gauge theories, confirming the existence of close similarities.For the aforementioned analysis, we construct gauge-invariant combinations of the fields appearing in the reduction to five dimensions of the supergravity theory, and hence focus on the 32 physical bosonic degrees of freedom. We show explicitly how to implement gauge fixing of the supergravity theory. The results of such technical work could be used toanalyse the spectra of other theories proposed in the context of top-down holography. For example, it could be applied to holographic realisations of composite-Higgs and light-dilaton scenarios. Journal Article Journal of High Energy Physics 2019 2 1029-8479 15 2 2019 2019-02-15 10.1007/JHEP02(2019)101 COLLEGE NANME COLLEGE CODE Swansea University 2019-03-11T15:24:07.6785532 2019-01-31T08:47:07.1359595 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics 1 Daniel Elander 2 Maurizio Piai 0000-0002-2251-0111 3 John Roughley 4 0048660-19022019173035.pdf JHEP2019-02.pdf 2019-02-19T17:30:35.8830000 Output 1437833 application/pdf Version of Record true 2019-02-19T00:00:00.0000000 Released under the terms of a Creative Commons Attribution License (CC-BY). true eng
title Holographic glueballs from the circle reduction of Romans supergravity
spellingShingle Holographic glueballs from the circle reduction of Romans supergravity




Maurizio Piai
title_short Holographic glueballs from the circle reduction of Romans supergravity
title_full Holographic glueballs from the circle reduction of Romans supergravity
title_fullStr Holographic glueballs from the circle reduction of Romans supergravity
title_full_unstemmed Holographic glueballs from the circle reduction of Romans supergravity
title_sort Holographic glueballs from the circle reduction of Romans supergravity
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Maurizio Piai
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Daniel Elander
Maurizio Piai
John Roughley
format Journal article
container_title Journal of High Energy Physics
container_volume 2019
container_issue 2
publishDate 2019
institution Swansea University
issn 1029-8479
doi_str_mv 10.1007/JHEP02(2019)101
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hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
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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 We reconsider a one-parameter class of known solutions of the circle compactification of Romans six-dimensional half-maximal supergravity. The gauge-theory duals ofthese solutions are confining four-dimensional field theories. Their UV completions consist of the compactification on a circle of a higher-dimensional field theory that is flowing between two fixed points in five dimensions. We systematically study the bosonic fluctuations of the supergravity theory, corresponding to the bosonic glueballs of the dual field theory.We perform numerically the calculation of the spectrum of excitations of all the bosonic fields, several of which had been disregarded in earlier work on the subject. We discuss the results as a function of the one parameter characterising the class of background solutions, hence further extending known results. We show how certain towers of states areindependent of the background, and compare these states to existing lattice literature on four-dimensional Yang-Mills (pure) gauge theories, confirming the existence of close similarities.For the aforementioned analysis, we construct gauge-invariant combinations of the fields appearing in the reduction to five dimensions of the supergravity theory, and hence focus on the 32 physical bosonic degrees of freedom. We show explicitly how to implement gauge fixing of the supergravity theory. The results of such technical work could be used toanalyse the spectra of other theories proposed in the context of top-down holography. For example, it could be applied to holographic realisations of composite-Higgs and light-dilaton scenarios.
published_date 2019-02-15T03:59:13Z
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