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Light dilaton from top-down holographic confinement with magnetic fluxes

Maurizio Piai Orcid Logo, James Rucinski

Phys Rev D

Swansea University Authors: Maurizio Piai Orcid Logo, James Rucinski

Abstract

A two-parameter class of higher-dimensional, strongly coupled, confining field theories in thepresence of magnetic fluxes for two Abelian gauge groups admits a top-down, holographic dualdescription. The corresponding two-parameter family of regular background solutions of the classicalequations of m...

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Published in: Phys Rev D
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URI: https://cronfa.swan.ac.uk/Record/cronfa72050
first_indexed 2026-06-11T09:45:02Z
last_indexed 2026-06-13T05:39:57Z
id cronfa72050
recordtype SURis
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spelling 2026-06-12T09:21:33.7665830 v2 72050 2026-06-11 Light dilaton from top-down holographic confinement with magnetic fluxes 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 84eb149471edda5c940459ea94e3d03e James Rucinski James Rucinski true false 2026-06-11 BGPS A two-parameter class of higher-dimensional, strongly coupled, confining field theories in thepresence of magnetic fluxes for two Abelian gauge groups admits a top-down, holographic dualdescription. The corresponding two-parameter family of regular background solutions of the classicalequations of maximal supergravity in seven dimensions descends from maximal supergravity ineleven dimensions. We study the global and local stability properties of these solutions. We identifylines of zero-temperature first-order phase transitions, describing a polygon (a square) in the spaceof parameters, identified with the two fluxes. The transition separates the family of gravity solutionsdual to confining theories, inside the polygon, from those outside, in which the field theory is realisedin a conformal phase. In the spectrum of fluctuations of the supergravity equations, interpreted asbound states of the dual, confining field theories, we find no evidence of local instabilities (tachyons).Over a significant portion of parameter space, that extends far away from the proximity to thetransition, we identify an approximate dilaton, the mass of which is one order of magnitude smallerthan the scale set by confinement. Our findings complement those emerging in other holographicmodels discussed in the literature, in which either the dilaton mass is only mildly lower than theconfinement scale (when approaching a first-order transitions), or parametrically suppressed (whenreaching the proximity to a second-order one). Journal Article Phys Rev D 0 0 0 0001-01-01 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University Not Required 2026-06-12T09:21:33.7665830 2026-06-11T10:30:58.1375795 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Maurizio Piai 0000-0002-2251-0111 1 James Rucinski 2 72050__36949__8568d4034469460fbc23e05f215a6ff2.pdf 2602.14924v2.pdf 2026-06-12T09:15:52.9218761 Output 3297583 application/pdf Accepted Manuscript true false 361 Maurizio Piai 0000-0002-2251-0111 m.piai@swansea.ac.uk true https://zenodo.org/records/18633529 false
title Light dilaton from top-down holographic confinement with magnetic fluxes
spellingShingle Light dilaton from top-down holographic confinement with magnetic fluxes
Maurizio Piai
James Rucinski
title_short Light dilaton from top-down holographic confinement with magnetic fluxes
title_full Light dilaton from top-down holographic confinement with magnetic fluxes
title_fullStr Light dilaton from top-down holographic confinement with magnetic fluxes
title_full_unstemmed Light dilaton from top-down holographic confinement with magnetic fluxes
title_sort Light dilaton from top-down holographic confinement with magnetic fluxes
author_id_str_mv 3ce295f2c7cc318bac7da18f9989d8c3
84eb149471edda5c940459ea94e3d03e
author_id_fullname_str_mv 3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
84eb149471edda5c940459ea94e3d03e_***_James Rucinski
author Maurizio Piai
James Rucinski
author2 Maurizio Piai
James Rucinski
format Journal article
container_title Phys Rev D
institution Swansea University
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 1
active_str 0
description A two-parameter class of higher-dimensional, strongly coupled, confining field theories in thepresence of magnetic fluxes for two Abelian gauge groups admits a top-down, holographic dualdescription. The corresponding two-parameter family of regular background solutions of the classicalequations of maximal supergravity in seven dimensions descends from maximal supergravity ineleven dimensions. We study the global and local stability properties of these solutions. We identifylines of zero-temperature first-order phase transitions, describing a polygon (a square) in the spaceof parameters, identified with the two fluxes. The transition separates the family of gravity solutionsdual to confining theories, inside the polygon, from those outside, in which the field theory is realisedin a conformal phase. In the spectrum of fluctuations of the supergravity equations, interpreted asbound states of the dual, confining field theories, we find no evidence of local instabilities (tachyons).Over a significant portion of parameter space, that extends far away from the proximity to thetransition, we identify an approximate dilaton, the mass of which is one order of magnitude smallerthan the scale set by confinement. Our findings complement those emerging in other holographicmodels discussed in the literature, in which either the dilaton mass is only mildly lower than theconfinement scale (when approaching a first-order transitions), or parametrically suppressed (whenreaching the proximity to a second-order one).
published_date 0001-01-01T06:39:57Z
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score 11.108426

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