Chameleons on the racetrack

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dc.contributor.authorNastase, Horatiu [UNESP]
dc.contributor.authorWeltman, Amanda
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversity of Cape Town
dc.date.accessioned2014-05-27T11:30:45Z
dc.date.available2014-05-27T11:30:45Z
dc.date.issued2013-09-30
dc.description.abstractWe modify the ansatz for embedding chameleon scalars in string theory proposed in [1] by considering a racetrack superpotential with two KKLT-type exponentials e ia instead of one. This satisfies all experimental constraints, while also allowing for the chameleon to be light enough on cosmological scales to be phenomenologically interesting. © 2013 SISSA, Trieste, Italy.en
dc.description.affiliationInstituto de Física Teórica UNESP-Universidade Estadual Paulista, R. Dr. Bento T. Ferraz 271, Bl. II, Sao Paulo 01140-070 SP
dc.description.affiliationAstrophysics, Cosmology and Gravity Center Department of Mathematics and Applied Mathematics University of Cape Town, Private Bag, Rondebosch 7700
dc.description.affiliationUnespInstituto de Física Teórica UNESP-Universidade Estadual Paulista, R. Dr. Bento T. Ferraz 271, Bl. II, Sao Paulo 01140-070 SP
dc.identifierhttp://dx.doi.org/10.1007/JHEP08(2013)059
dc.identifier.citationJournal of High Energy Physics, v. 2013, n. 8, 2013.
dc.identifier.doi10.1007/JHEP08(2013)059
dc.identifier.file2-s2.0-84884561511.pdf
dc.identifier.issn1126-6708
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-84884561511
dc.identifier.urihttp://hdl.handle.net/11449/76658
dc.identifier.wosWOS:000324113700059
dc.language.isoeng
dc.relation.ispartofJournal of High Energy Physics
dc.relation.ispartofjcr5.541
dc.relation.ispartofsjr1,227
dc.relation.ispartofsjr1,227
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCosmology of Theories beyond the SM
dc.subjectdS vacua in string theory
dc.subjectSupergravity Models
dc.titleChameleons on the racetracken
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights
unesp.author.orcid0000-0002-9383-6047[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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