Chameleonic inflation
dc.contributor.author | Hinterbichler, Kurt | |
dc.contributor.author | Khoury, Justin | |
dc.contributor.author | Nastase, Horatiu [UNESP] | |
dc.contributor.author | Rosenfeld, Rogério [UNESP] | |
dc.contributor.institution | Perimeter Institute for Theoretical Physics | |
dc.contributor.institution | University of Pennsylvania | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2014-05-27T11:30:45Z | |
dc.date.available | 2014-05-27T11:30:45Z | |
dc.date.issued | 2013-09-30 | |
dc.description.abstract | We attempt to incorporate inflation into a string theory realization of the chameleon mechanism. Previously, it was found that the volume modulus, stabilized by the supersymmetric potential used by Kachru, Kallosh, Linde and Trivedi (KKLT) and with the right choice of parameters, can generically work as a chameleon. In this paper, we ask whether inflation can be realized in the same model. We find that we need a large extra dimensions set-up, as well as a semi-phenomenological deformation of the Kähler potential in the quantum region. We also find that an additional KKLT term is required so that there are now two pieces to the potential, one which drives inflation in the early universe, and one which is responsible for chameleon screening at late times. These two pieces of the potential are separated by a large flat desert in field space. The scalar field must dynamically traverse this desert between the end of inflation and today, and we find that this can indeed occur under the right conditions. © 2013 SISSA, Trieste, Italy. | en |
dc.description.affiliation | Perimeter Institute for Theoretical Physics, 31 Caroline St. N, Waterloo, ON N2L 2Y5 | |
dc.description.affiliation | Center for Particle Cosmology Department of Physics and Astronomy University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA 19104 | |
dc.description.affiliation | ICTP South American Institute for Fundamental Research Instituto de Física Teórica UNESP-Universidade Estadual Paulista, R. Dr. Bento T. Ferraz 271, Bl. II, Sao Paulo 01140-070 SP | |
dc.description.affiliationUnesp | ICTP South American Institute for Fundamental Research Instituto de Física Teórica UNESP-Universidade Estadual Paulista, R. Dr. Bento T. Ferraz 271, Bl. II, Sao Paulo 01140-070 SP | |
dc.description.sponsorship | National Aeronautics and Space Administration (NASA) | |
dc.description.sponsorshipId | NASA: NNX11AI95G | |
dc.identifier | http://dx.doi.org/10.1007/JHEP08(2013)053 | |
dc.identifier.citation | Journal of High Energy Physics, v. 2013, n. 8, 2013. | |
dc.identifier.doi | 10.1007/JHEP08(2013)053 | |
dc.identifier.file | 2-s2.0-84884546604.pdf | |
dc.identifier.issn | 1126-6708 | |
dc.identifier.issn | 1029-8479 | |
dc.identifier.scopus | 2-s2.0-84884546604 | |
dc.identifier.uri | http://hdl.handle.net/11449/76657 | |
dc.identifier.wos | WOS:000324113700053 | |
dc.language.iso | eng | |
dc.relation.ispartof | Journal of High Energy Physics | |
dc.relation.ispartofjcr | 5.541 | |
dc.relation.ispartofsjr | 1,227 | |
dc.relation.ispartofsjr | 1,227 | |
dc.rights.accessRights | Acesso aberto | |
dc.source | Scopus | |
dc.subject | Cosmology of Theories beyond the SM | |
dc.subject | Field Theories in Higher Dimensions | |
dc.title | Chameleonic inflation | en |
dc.type | Artigo | |
dcterms.license | http://www.springer.com/open+access/authors+rights | |
unesp.campus | Universidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulo | pt |
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