Some constraints on brane inflation models with power-law potentials

Details Some constraints on brane inflation models with power-law potentials Some constraints on brane inflation models with power-law potentials

2004-10-27

arxiv.org/abs/astro-ph/0410661v2

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figure;v2. refs added

Scientific paper

We investigate inflation in Randall-Sundrum type II brane scenario with closed Friedman-Robertson-Walker (FRW) brane. We consider only power-law potentials of the scalar field and wide range of powers and parameters for them. For our models we numerically calculate the total number of e-folds, the value of potential at the end of inflation and amplitude and spectral index of scalar perturbations at the epoch when the present Hubble scale leaves the horizon. All these values we calculate for different initial conditions and different values of parameters. Then we compare our theoretical predictions with observation data and set constraints on the parameters of our model.

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