On Chaplygin Gas Braneworld Inflation with Monomial Potential

Abstract

In this paper we study the Chaplygin gas model as a candidate for inflation in the framework of the Randall Sundrum type-II braneworld model. We consider the original and generalized Chaplygin gas model in the presence of monomial potential. The inflationary spectrum perturbation parameters are reformulated and evaluated in the high-energy limit and we found that they depend on several parameters. We also showed that these perturbation parameters are widely compatible with the recent Planck data for a particular choice of the parameters space of the model. A suitable observational central value of $n_s\simeq$ $0.965$ is also obtained in the case of original and generalized Chaplygin gas.

arXiv comment7 figures. arXiv admin note: text overlap with arXiv:0805.1005 by other authors

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