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Progress on holographic vacuum misalignment

Ali Fatemiabhari, Daniel Elander, Maurizio Piai Orcid Logo

Proceedings of The 41st International Symposium on Lattice Field Theory — PoS(LATTICE2024), Volume: 466, Start page: 142

Swansea University Authors: Ali Fatemiabhari, Maurizio Piai Orcid Logo

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DOI (Published version): 10.22323/1.466.0142

Abstract

We summarise highlights from an ongoing research programme that aims, in the long run, at the ambitious goal of building a realistic, complete holographic composite-Higgs model. This contribution focuses on vacuum misalignment, by showing how to unify its description, as a phenomenon arising from we...

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Published in: Proceedings of The 41st International Symposium on Lattice Field Theory — PoS(LATTICE2024)
ISSN: 1824-8039
Published: Trieste, Italy Sissa Medialab 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa68335
first_indexed 2024-11-25T14:21:53Z
last_indexed 2024-12-10T20:11:08Z
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spelling 2024-12-10T15:29:21.4191912 v2 68335 2024-11-25 Progress on holographic vacuum misalignment 1fff8a27c5649675cda6e190dc0c74c3 Ali Fatemiabhari Ali Fatemiabhari true false 3ce295f2c7cc318bac7da18f9989d8c3 0000-0002-2251-0111 Maurizio Piai Maurizio Piai true false 2024-11-25 We summarise highlights from an ongoing research programme that aims, in the long run, at the ambitious goal of building a realistic, complete holographic composite-Higgs model. This contribution focuses on vacuum misalignment, by showing how to unify its description, as a phenomenon arising from weak coupling considerations, in the holographic description of a strongly coupled field theory in terms of a dual gravity theory. This is achieved by a non-trivial treatment of boundary-localised terms in the gravity action. The gravity backgrounds considered are completely regular and smooth. We provide numerical examples showing that the mass spectrum of particles in the four-dimensional theory is free of pathologies, and that a small hierarchy arises naturally, between the light states that, in this simplified set up, are analogous to the standard-model particles, and all the other, new composite states emerging in the strongly coupled theory. Conference Paper/Proceeding/Abstract Proceedings of The 41st International Symposium on Lattice Field Theory — PoS(LATTICE2024) 466 142 Sissa Medialab Trieste, Italy 1824-8039 5 12 2024 2024-12-05 10.22323/1.466.0142 COLLEGE NANME COLLEGE CODE Swansea University Not Required AF has been supported by the STFC Consolidated Grant ST/V507143/1 and by the EPSRC Standard Research Studentship (DTP) EP/T517987/1. MP and AF are supported in parts by the STFC Consolidated Grants No.ST/T000813/1 and ST/X000648/1. MP has also been supported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program under Grant Agreement No.813942. 2024-12-10T15:29:21.4191912 2024-11-25T12:28:31.8860058 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ali Fatemiabhari 1 Daniel Elander 2 Maurizio Piai 0000-0002-2251-0111 3 290 Ali Fatemiabhari 0000-0003-1369-6505 2127756@swansea.ac.uk true 10.5281/zenodo.11774202 false
title Progress on holographic vacuum misalignment
spellingShingle Progress on holographic vacuum misalignment
Ali Fatemiabhari
Maurizio Piai
title_short Progress on holographic vacuum misalignment
title_full Progress on holographic vacuum misalignment
title_fullStr Progress on holographic vacuum misalignment
title_full_unstemmed Progress on holographic vacuum misalignment
title_sort Progress on holographic vacuum misalignment
author_id_str_mv 1fff8a27c5649675cda6e190dc0c74c3
3ce295f2c7cc318bac7da18f9989d8c3
author_id_fullname_str_mv 1fff8a27c5649675cda6e190dc0c74c3_***_Ali Fatemiabhari
3ce295f2c7cc318bac7da18f9989d8c3_***_Maurizio Piai
author Ali Fatemiabhari
Maurizio Piai
author2 Ali Fatemiabhari
Daniel Elander
Maurizio Piai
format Conference Paper/Proceeding/Abstract
container_title Proceedings of The 41st International Symposium on Lattice Field Theory — PoS(LATTICE2024)
container_volume 466
container_start_page 142
publishDate 2024
institution Swansea University
issn 1824-8039
doi_str_mv 10.22323/1.466.0142
publisher Sissa Medialab
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 We summarise highlights from an ongoing research programme that aims, in the long run, at the ambitious goal of building a realistic, complete holographic composite-Higgs model. This contribution focuses on vacuum misalignment, by showing how to unify its description, as a phenomenon arising from weak coupling considerations, in the holographic description of a strongly coupled field theory in terms of a dual gravity theory. This is achieved by a non-trivial treatment of boundary-localised terms in the gravity action. The gravity backgrounds considered are completely regular and smooth. We provide numerical examples showing that the mass spectrum of particles in the four-dimensional theory is free of pathologies, and that a small hierarchy arises naturally, between the light states that, in this simplified set up, are analogous to the standard-model particles, and all the other, new composite states emerging in the strongly coupled theory.
published_date 2024-12-05T06:00:18Z
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