Multicomponent solution in modified theory of gravity in the early universe

Details Multicomponent solution in modified theory of gravity in the early universe Multicomponent solution in modified theory of gravity in the early universe

2007-10-17

arxiv.org/abs/0710.3308v3

Phys.Rev.D77:103501,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.77.103501

We study the modified theory of gravity in Friedmann Robertson Walker
universe composed of several perfect fluids. We consider the power law
inflation and determine the equation of state parameters in terms of the
parameters of modified gravity's Lagrangian in the early universe. We also
discuss briefly the gravitational baryogenesis in this model.

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