Gauge and Modulus Inflation from 5D Orbifold SUGRA

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dc.creatorCorreia, Filipe Paccetti
dc.creatorSchmidt, Michael G.
dc.creatorTavartkiladze, Zurab
dc.date2005-04-09
dc.date.accessioned2026-07-07T11:06:05Z
dc.date.available2026-07-07T11:06:05Z
dc.descriptionWe study the inflationary scenarios driven by a Wilson line field - the fifth component of a 5D gauge field and corresponding modulus field, within S^1/Z_2 orbifold supergravity (SUGRA). We use our off shell superfield formulation and give a detailed description of the issue of SUSY breaking by the F-component of the radion superfield. By a suitably gauged U(1)R symmetry and including couplings with compensator supermultiplets and a linear multiplet, we achieve a self consistent radion mediated SUSY breaking of no scale type. The inflaton 1-loop effective potential has attractive features needed for successful inflation. An interesting feature of both presented inflationary scenarios are the red tilted spectra with ns~0.96. For gauge inflation we obtain a significant tensor to scalar ratio r~0.1 of the density perturbations, while for the modulus inflation r is strongly suppressed.
dc.description14 pages, 1 figure
dc.identifierhttps://arxiv.org/abs/hep-th/0504083
dc.identifierhttp://arxiv.org/abs/hep-th/0504083
dc.identifierNucl.Phys.B739:156-168,2006
dc.identifierdoi:10.1016/j.nuclphysb.2006.01.023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189406
dc.subjectHigh Energy Physics - Theory
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleGauge and Modulus Inflation from 5D Orbifold SUGRA
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