Hilltop Supernatural Inflation and Gravitino Problem
arXiv:1008.3200 · doi:10.1088/1475-7516/2010/11/010
Abstract
In this paper, we explore the parameter space of hilltop supernatural inflation model and show the regime within which there is no gravitino problem even if we consider both thermal and nonthermal production mechanisms. We make plots for the allowed reheating temperature as a function of gravitino mass by constraints from big-bang nucleosynthesis. We also plot the constraint when gravitino is assumed to be stable and plays the role of dark matter.
11 pages, 3 figures, to appear in JCAP
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- Observable Spectra of Induced Gravitational Waves from Inflation
- Observable induced gravitational waves from an early matter phase
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