Light holographic dilatons near critical points

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

doi:10.1103/physrevd.110.126017

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Light holographic dilatons near critical points

Antón F. Faedo

, Carlos Hoyos, Maurizio Piai

, Ronnie Rodgers

, Javier G. Subils

Physical Review D, Volume: 110, Issue: 12, Start page: 126017

Swansea University Author: Maurizio Piai

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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
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa68336

first_indexed	2024-11-25T19:48:13Z
last_indexed	2025-02-14T05:45:11Z
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spelling	2025-02-13T15:10:32.0330371 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 126017 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 A. F. and C. H. are partially supported by Agencia Estatal de Investigación (AEI) and the Ministerio de Ciencia, Innovación y Universidades (MCIU) through the Spanish grant PID2021-123021NB-I00 and by Fundación para el Fomento en Asturias de la Investigación Científica Aplicada y la Tecnología (FICYT) through the Asturian grant SV-PA-21-AYUD/2021/52177. The work of M. P. has been supported in part by the Science and Technologies Facilities Council (STFC) Consolidated Grants No. ST/P00055X/1, No. ST/T000813/1, and ST/X000648. M. P. received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program under Grant Agreement No. 813942. The work of R. R. was supported by the European Union’s Horizon Europe research and innovation program under Marie Sklodowska-Curie Grant Agreement No. 101104286. Nordita is supported in part by Nordforsk. Funded by SCOAP3. 2025-02-13T15:10:32.0330371 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 68336__33322__fa0342b7bb4949fca7a0a6f4f045447e.pdf 68336.VoR.pdf 2025-01-14T10:16:46.9925658 Output 1371450 application/pdf Version of Record true Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. true eng https://creativecommons.org/licenses/by/4.0/ 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
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container_title	Physical Review D
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institution	Swansea University
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publisher	American Physical Society (APS)
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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	2024-12-18T09:38:25Z
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Light holographic dilatons near critical points

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