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Light holographic dilatons near critical points

Antón F. Faedo Orcid Logo, Carlos Hoyos, Maurizio Piai Orcid Logo, Ronnie Rodgers Orcid Logo, Javier G. Subils Orcid Logo

Physical Review D, Volume: 110, Issue: 12

Swansea University Author: Maurizio Piai Orcid Logo

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DOI (Published version): 10.1103/physrevd.110.126017

Abstract

We investigate the relation between the emergence of a dilaton in gapped (confining) field theories, and the presence of either complex fixed points or instabilities in the strongly cou- pled dynamics in two classes of bottom-up holographic models. We demonstrate that in one of the two classes there...

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Published in: Physical Review D
ISSN: 2470-0010 2470-0029
Published: American Physical Society (APS) 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa68336
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last_indexed 2025-01-14T14:38:24Z
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spelling 2025-01-14T10:19:18.8741133 v2 68336 2024-11-25 Light holographic dilatons near critical points 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 2024-11-25 BGPS We investigate the relation between the emergence of a dilaton in gapped (confining) field theories, and the presence of either complex fixed points or instabilities in the strongly cou- pled dynamics in two classes of bottom-up holographic models. We demonstrate that in one of the two classes there is a critical line of first-order phase transitions (at zero temperature) that terminates at a critical point. We calculate the mass spectrum of fluctuations of the associated regular gravity backgrounds, which we interpret as bound states in the dual field theories. In proximity to the second-order phase transition, we find a parametrically light scalar state, and its composition leads us to identify it as a dilaton. Journal Article Physical Review D 110 12 American Physical Society (APS) 2470-0010 2470-0029 18 12 2024 2024-12-18 10.1103/physrevd.110.126017 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University Another institution paid the OA fee Funded by SCOAP3. 2025-01-14T10:19:18.8741133 2024-11-25T12:37:18.7843717 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Antón F. Faedo 0000-0002-3887-2088 1 Carlos Hoyos 2 Maurizio Piai 0000-0002-2251-0111 3 Ronnie Rodgers 0000-0002-4826-6540 4 Javier G. Subils 0000-0003-0104-9722 5 291 Javier G. Subils 0000-0003-0104-9722 j.gomezsubils@uu.nl true 0000-0003-0104-9722 false
title Light holographic dilatons near critical points
spellingShingle Light holographic dilatons near critical points
Maurizio Piai
title_short Light holographic dilatons near critical points
title_full Light holographic dilatons near critical points
title_fullStr Light holographic dilatons near critical points
title_full_unstemmed Light holographic dilatons near critical points
title_sort Light holographic dilatons near critical points
author_id_str_mv 3ce295f2c7cc318bac7da18f9989d8c3
author_id_fullname_str_mv 3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
author Maurizio Piai
author2 Antón F. Faedo
Carlos Hoyos
Maurizio Piai
Ronnie Rodgers
Javier G. Subils
format Journal article
container_title Physical Review D
container_volume 110
container_issue 12
publishDate 2024
institution Swansea University
issn 2470-0010
2470-0029
doi_str_mv 10.1103/physrevd.110.126017
publisher American Physical Society (APS)
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
document_store_str 0
active_str 0
description We investigate the relation between the emergence of a dilaton in gapped (confining) field theories, and the presence of either complex fixed points or instabilities in the strongly cou- pled dynamics in two classes of bottom-up holographic models. We demonstrate that in one of the two classes there is a critical line of first-order phase transitions (at zero temperature) that terminates at a critical point. We calculate the mass spectrum of fluctuations of the associated regular gravity backgrounds, which we interpret as bound states in the dual field theories. In proximity to the second-order phase transition, we find a parametrically light scalar state, and its composition leads us to identify it as a dilaton.
published_date 2024-12-18T08:36:34Z
_version_ 1821393912257839104
score 11.544631

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