Constraints on single entity driven inflationary and radition eras

Details Constraints on single entity driven inflationary and radition eras Constraints on single entity driven inflationary and radition eras

2012-03-09

arxiv.org/abs/1203.2097v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 6 figures. Contribution to the Spanish Relativity Meeting (ERE2011), Madrid, Spain

Scientific paper

We present a model that attempts to fuse the inflationary era and the subsequent radiation dominated era under a unified framework so as to provide a smooth transition between the two. The model is based on a modification of the generalized Chaplygin gas. We constrain the model observationally by mapping the primordial power spectrum of the scalar perturbations to the latest data of WMAP7. We compute as well the spectrum of the primordial gravitational waves as would be measured today.

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