Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-12-30
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages
Scientific paper
In this paper we consider a class of inflation models on the brane where the dominant part of the inflaton scalar potential does not depend on the inflaton field value during inflation. In particular, we consider supernatural inflation, its hilltop version, A-term inflation, and supersymmetric (SUSY) D- and F-term hybrid inflation on the brane. We show that the parameter space can be broadened, the inflation scale generally can be lowered, and still possible to have the spectral index $n_s=0.96$.
Cheung Kingman
Lee Lu-Yun
Lin Chia-Min
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