Observing the Geometry of Warped Compactification via Cosmic Inflation

dc.creatorShiu, Gary
dc.creatorUnderwood, Bret
dc.date2006-10-12
dc.date2007-05-04
dc.date.accessioned2026-07-07T11:27:58Z
dc.date.available2026-07-07T11:27:58Z
dc.descriptionUsing DBI inflation as an example, we demonstrate that the detailed geometry of warped compactification can leave an imprint on the cosmic microwave background (CMB). We compute CMB observables for DBI inflation in a generic class of warped throats and find that the results (such as the sign of the tilt of the scalar perturbations and its running) depend sensitively on the precise shape of the warp factor. In particular, we analyze the warped deformed conifold and find that the results can differ from those of other warped geometries, even when these geometries approximate well the exact metric of the warped deformed conifold.
dc.description4 pages, 3 figures. v2: References and clarifications added
dc.identifierhttps://arxiv.org/abs/hep-th/0610151
dc.identifierhttp://arxiv.org/abs/hep-th/0610151
dc.identifierPhys.Rev.Lett.98:051301,2007
dc.identifierdoi:10.1103/PhysRevLett.98.051301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/196298
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleObserving the Geometry of Warped Compactification via Cosmic Inflation
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