The desert and the swampland

The most natural expectation away from asymptotic limits in moduli space of supergravity theories is the desert scenario, where there are few states between massless fields and the quantum gravity cutoff. In this paper we initiate a systematic study of these regions deep in the moduli space, and use...

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Detalles Bibliográficos
Autores: Long, Cody, Montero, Miguel, Vafa, Cumrun, Valenzuela, Irene
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/350434
Acceso en línea:http://hdl.handle.net/10261/350434
https://api.elsevier.com/content/abstract/scopus_id/85150737499
Access Level:acceso abierto
Palabra clave:Black holes in string theory
D-Branes
Extended supersymmetry
Superstring vacua
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spelling The desert and the swamplandLong, CodyMontero, MiguelVafa, CumrunValenzuela, IreneBlack holes in string theoryD-BranesExtended supersymmetrySuperstring vacuaThe most natural expectation away from asymptotic limits in moduli space of supergravity theories is the desert scenario, where there are few states between massless fields and the quantum gravity cutoff. In this paper we initiate a systematic study of these regions deep in the moduli space, and use it to place a bound on the number of massless modes by relating it to the black hole species problem. There exists a consistent sub-Planckian UV cutoff (the species scale) which resolves the black hole species problem without bounding the number of light modes. We reevaluate this in the context of supersymmetric string vacua in the desert region and show that even though heuristically the species scale is compatible with expectations, the BPS states of the actual string vacua lead to a stronger dependence of the cutoff scale on the number of massless modes. We propose that this discrepancy, which can be captured by the “BPS desert conjecture”, resurrects the idea of a uniform bound on the number of light modes as a way to avoid the black hole species problem. This conjecture also implies a stronger form of the Tadpole Conjecture, which leads to an obstruction in stabilizing all moduli semi-classically for large number of moduli in flux compactifications.We would like to thank Severin Luest for useful discussions. We are grateful to the Simons Center for Theoretical Physics, Stony Brook, for hospitality during the early stages of this work in the context of its Summer Workshop. The work of MM, CV is supported by a grant from the Simons Foundation (602883, CV) and by the NSF grant PHY-2013858, which also supported IV in the early stages of this work. The work of IV is now supported by the grants RYC2019-028512-I from the MCI (Spain), PGC2018-095976-B-C21 from MCIU/AEI/FEDER, UE and the grant IFT Centro de Excelencia Severo Ochoa SEV2016-0597.Peer reviewedConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/350434https://api.elsevier.com/content/abstract/scopus_id/85150737499reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésJournal of High Energy Physicshttps://link.springer.com/article/10.1007/JHEP03(2023)109Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3504342026-05-22T06:33:51Z
dc.title.none.fl_str_mv The desert and the swampland
title The desert and the swampland
spellingShingle The desert and the swampland
Long, Cody
Black holes in string theory
D-Branes
Extended supersymmetry
Superstring vacua
title_short The desert and the swampland
title_full The desert and the swampland
title_fullStr The desert and the swampland
title_full_unstemmed The desert and the swampland
title_sort The desert and the swampland
dc.creator.none.fl_str_mv Long, Cody
Montero, Miguel
Vafa, Cumrun
Valenzuela, Irene
author Long, Cody
author_facet Long, Cody
Montero, Miguel
Vafa, Cumrun
Valenzuela, Irene
author_role author
author2 Montero, Miguel
Vafa, Cumrun
Valenzuela, Irene
author2_role author
author
author
dc.contributor.none.fl_str_mv Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Black holes in string theory
D-Branes
Extended supersymmetry
Superstring vacua
topic Black holes in string theory
D-Branes
Extended supersymmetry
Superstring vacua
description The most natural expectation away from asymptotic limits in moduli space of supergravity theories is the desert scenario, where there are few states between massless fields and the quantum gravity cutoff. In this paper we initiate a systematic study of these regions deep in the moduli space, and use it to place a bound on the number of massless modes by relating it to the black hole species problem. There exists a consistent sub-Planckian UV cutoff (the species scale) which resolves the black hole species problem without bounding the number of light modes. We reevaluate this in the context of supersymmetric string vacua in the desert region and show that even though heuristically the species scale is compatible with expectations, the BPS states of the actual string vacua lead to a stronger dependence of the cutoff scale on the number of massless modes. We propose that this discrepancy, which can be captured by the “BPS desert conjecture”, resurrects the idea of a uniform bound on the number of light modes as a way to avoid the black hole species problem. This conjecture also implies a stronger form of the Tadpole Conjecture, which leads to an obstruction in stabilizing all moduli semi-classically for large number of moduli in flux compactifications.
publishDate 2023
dc.date.none.fl_str_mv 2023
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/350434
https://api.elsevier.com/content/abstract/scopus_id/85150737499
url http://hdl.handle.net/10261/350434
https://api.elsevier.com/content/abstract/scopus_id/85150737499
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Journal of High Energy Physics
https://link.springer.com/article/10.1007/JHEP03(2023)109
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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