Low-scale supergravity inflation with R-symmetry
G. German, A. de la Macorra, M. Mondragon
Abstract
We study a supergravity model of inflation with R-symmetry and a single scalar field, the inflaton, slowly rolling away from the origin. The scales of inflation can be as low as the supersymmetry breaking scale of 1010 GeV or even the electroweak scale of 103 GeV which could be relevant in the context of theories with submillimiter dimensions. Exact analytical solutions are presented and a comparison with related models is given.
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