Inflation from R^2 gravity: a new approach using nonlinear electrodynamics

Details Inflation from R^2 gravity: a new approach using nonlinear electrodynamics Inflation from R^2 gravity: a new approach using nonlinear electrodynamics

2010-11-22

arxiv.org/abs/1011.4801v3

Astropart.Phys.34:587-590,2011

Physics

General Physics

Definitive version to be published in Astroparticle Physics during 2011, 9 pages

Scientific paper

10.1016/j.astropartphys.2010.12.

We discuss another approach regarding the inflation from the R^2 theory of
gravity originally proposed by Starobinski. A non-singular early cosmology is
proposed, where, adding a nonlinear electrodynamics Lagrangian to the
high-order action, a bouncing is present and a power-law inflation is obtained.
In the model the Ricci scalar works like an inflaton field.

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