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Universal aspects of gravity localized on thick branes

Joshua Erlich, Csaba Csaki, Yuri Shirman, Timothy Hollowood Orcid Logo

Nuclear Physics B, Volume: "B581", Issue: 1-2, Pages: 309 - 338

Swansea University Author: Timothy Hollowood Orcid Logo

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DOI (Published version): 10.1016/S0550-3213(00)00271-6

Abstract

We study gravity in backgrounds that are smooth generalizations of the Randall-Sundrum model, with and without scalar fields. These generalizations include three-branes in higher dimensional spaces which are not necessarily Anti-de Sitter far from the branes, intersecting brane configurations and co...

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Published in: Nuclear Physics B
ISSN: 05503213
Published: 2000
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URI: https://cronfa.swan.ac.uk/Record/cronfa28556
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spelling 2016-06-03T14:36:37.0057972 v2 28556 2016-06-03 Universal aspects of gravity localized on thick branes ea9ca59fc948276ff2ab547e91bdf0c2 0000-0002-3258-320X Timothy Hollowood Timothy Hollowood true false 2016-06-03 SPH We study gravity in backgrounds that are smooth generalizations of the Randall-Sundrum model, with and without scalar fields. These generalizations include three-branes in higher dimensional spaces which are not necessarily Anti-de Sitter far from the branes, intersecting brane configurations and configurations involving negative tension branes. We show that under certain mild assumptions there is a universal equation for the gravitational fluctuations. We study both the graviton ground state and the continuum of Kaluza-Klein modes and we find that the four-dimensional gravitational mode is localized precisely when the effects of the continuum modes decouple at distances larger than the fundamental Planck scale. The decoupling is contingent only on the long-range behaviour of the metric from the brane and we find a universal form for the corrections to Newton's Law. We also comment on the possible contribution of resonant modes. Given this, we find general classes of metrics which maintain localized four-dimensional gravity. We find that three-brane metrics in five dimensions can arise from a single scalar field source, and we rederive the BPS type conditions without any a priori assumptions regarding the form of the scalar potential. We also show that a single scalar field cannot produce conformally-flat locally intersecting brane configurations or a p-brane in greater than Journal Article Nuclear Physics B "B581" 1-2 309 338 05503213 31 1 2000 2000-01-31 10.1016/S0550-3213(00)00271-6 http://inspirehep.net/record/522837 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-06-03T14:36:37.0057972 2016-06-03T14:36:36.8029959 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Joshua Erlich 1 Csaba Csaki 2 Yuri Shirman 3 Timothy Hollowood 0000-0002-3258-320X 4
title Universal aspects of gravity localized on thick branes
spellingShingle Universal aspects of gravity localized on thick branes
Timothy Hollowood
title_short Universal aspects of gravity localized on thick branes
title_full Universal aspects of gravity localized on thick branes
title_fullStr Universal aspects of gravity localized on thick branes
title_full_unstemmed Universal aspects of gravity localized on thick branes
title_sort Universal aspects of gravity localized on thick branes
author_id_str_mv ea9ca59fc948276ff2ab547e91bdf0c2
author_id_fullname_str_mv ea9ca59fc948276ff2ab547e91bdf0c2_***_Timothy Hollowood
author Timothy Hollowood
author2 Joshua Erlich
Csaba Csaki
Yuri Shirman
Timothy Hollowood
format Journal article
container_title Nuclear Physics B
container_volume "B581"
container_issue 1-2
container_start_page 309
publishDate 2000
institution Swansea University
issn 05503213
doi_str_mv 10.1016/S0550-3213(00)00271-6
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://inspirehep.net/record/522837
document_store_str 0
active_str 0
description We study gravity in backgrounds that are smooth generalizations of the Randall-Sundrum model, with and without scalar fields. These generalizations include three-branes in higher dimensional spaces which are not necessarily Anti-de Sitter far from the branes, intersecting brane configurations and configurations involving negative tension branes. We show that under certain mild assumptions there is a universal equation for the gravitational fluctuations. We study both the graviton ground state and the continuum of Kaluza-Klein modes and we find that the four-dimensional gravitational mode is localized precisely when the effects of the continuum modes decouple at distances larger than the fundamental Planck scale. The decoupling is contingent only on the long-range behaviour of the metric from the brane and we find a universal form for the corrections to Newton's Law. We also comment on the possible contribution of resonant modes. Given this, we find general classes of metrics which maintain localized four-dimensional gravity. We find that three-brane metrics in five dimensions can arise from a single scalar field source, and we rederive the BPS type conditions without any a priori assumptions regarding the form of the scalar potential. We also show that a single scalar field cannot produce conformally-flat locally intersecting brane configurations or a p-brane in greater than
published_date 2000-01-31T03:34:46Z
_version_ 1763751479620927488
score 11.013686

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