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Gravity at the tip of the throat

Bruno Valeixo Bento Orcid Logo, Dibya Chakraborty Orcid Logo, Susha Parameswaran, Ivonne Zavala Carrasco Orcid Logo

Journal of High Energy Physics, Volume: 2022, Issue: 9

Swansea University Author: Ivonne Zavala Carrasco Orcid Logo

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DOI (Published version): 10.1007/jhep09(2022)208

Abstract

We study the gravitational signatures that arise from compactifying Type IIB supergravity on a compact space containing a Klebanov-Strassler warped throat. After reviewing the dimensional reduction of the 10d graviton and explicitly obtaining the equa- tions of motion for the 4d tensor hμν, vector h...

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Published in: Journal of High Energy Physics
ISSN: 1029-8479
Published: Springer Science and Business Media LLC 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa61261
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first_indexed 2022-10-13T09:03:33Z
last_indexed 2023-01-13T19:21:55Z
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spelling 2022-10-13T10:03:34.0853401 v2 61261 2022-09-17 Gravity at the tip of the throat 2fb8d4bb665e9a89d3b3478c17f646f8 0000-0002-5589-9928 Ivonne Zavala Carrasco Ivonne Zavala Carrasco true false 2022-09-17 SPH We study the gravitational signatures that arise from compactifying Type IIB supergravity on a compact space containing a Klebanov-Strassler warped throat. After reviewing the dimensional reduction of the 10d graviton and explicitly obtaining the equa- tions of motion for the 4d tensor hμν, vector hμn and scalar hmn modes, we find the masses and wavefunctions of the Kaluza-Klein tower of spin-2 states. We explore how the masses and wavefunctions depend on the balance between the strength of the warping and the size of the bulk, and how these relate to the range and strength of the interactions which correct the Newtonian gravitational potential. By computing the modified Newtonian potential for sources on a brane somewhere along the throat, and applying consistency constraints on the Klebanov-Strassler parameters, we obtain predictions for the phenomenological pa- rameter space. In the case of a fully warped throat, and depending on where the brane is along the throat, these predictions are narrow in range and consistent with current obser- vational and experimental constraints. We also begin an exploration of gravitational wave signatures of KK gravitons in warped throats, finding that strong warping can bring the corresponding frequencies down to the windows of current and proposed experiments. Journal Article Journal of High Energy Physics 2022 9 Springer Science and Business Media LLC 1029-8479 26 9 2022 2022-09-26 10.1007/jhep09(2022)208 http://dx.doi.org/10.1007/jhep09(2022)208 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University Article funded by SCOAP3 2022-10-13T10:03:34.0853401 2022-09-17T12:51:28.9738983 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Bruno Valeixo Bento 0000-0003-4703-5318 1 Dibya Chakraborty 0000-0002-0001-1645 2 Susha Parameswaran 3 Ivonne Zavala Carrasco 0000-0002-5589-9928 4 61261__25434__e8c1d118a2bf485f97a9a846c7645973.pdf 61261_VoR.pdf 2022-10-13T10:01:31.8052230 Output 1774649 application/pdf Version of Record true Copyright: The Authors. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) true eng http://creativecommons.org/licenses/by/4.0/
title Gravity at the tip of the throat
spellingShingle Gravity at the tip of the throat
Ivonne Zavala Carrasco
title_short Gravity at the tip of the throat
title_full Gravity at the tip of the throat
title_fullStr Gravity at the tip of the throat
title_full_unstemmed Gravity at the tip of the throat
title_sort Gravity at the tip of the throat
author_id_str_mv 2fb8d4bb665e9a89d3b3478c17f646f8
author_id_fullname_str_mv 2fb8d4bb665e9a89d3b3478c17f646f8_***_Ivonne Zavala Carrasco
author Ivonne Zavala Carrasco
author2 Bruno Valeixo Bento
Dibya Chakraborty
Susha Parameswaran
Ivonne Zavala Carrasco
format Journal article
container_title Journal of High Energy Physics
container_volume 2022
container_issue 9
publishDate 2022
institution Swansea University
issn 1029-8479
doi_str_mv 10.1007/jhep09(2022)208
publisher Springer Science and Business Media LLC
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
url http://dx.doi.org/10.1007/jhep09(2022)208
document_store_str 1
active_str 0
description We study the gravitational signatures that arise from compactifying Type IIB supergravity on a compact space containing a Klebanov-Strassler warped throat. After reviewing the dimensional reduction of the 10d graviton and explicitly obtaining the equa- tions of motion for the 4d tensor hμν, vector hμn and scalar hmn modes, we find the masses and wavefunctions of the Kaluza-Klein tower of spin-2 states. We explore how the masses and wavefunctions depend on the balance between the strength of the warping and the size of the bulk, and how these relate to the range and strength of the interactions which correct the Newtonian gravitational potential. By computing the modified Newtonian potential for sources on a brane somewhere along the throat, and applying consistency constraints on the Klebanov-Strassler parameters, we obtain predictions for the phenomenological pa- rameter space. In the case of a fully warped throat, and depending on where the brane is along the throat, these predictions are narrow in range and consistent with current obser- vational and experimental constraints. We also begin an exploration of gravitational wave signatures of KK gravitons in warped throats, finding that strong warping can bring the corresponding frequencies down to the windows of current and proposed experiments.
published_date 2022-09-26T04:19:58Z
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score 10.9713335

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