Exact Scalar Field Cosmology with Causal Viscous Fluid

Details Exact Scalar Field Cosmology with Causal Viscous Fluid Exact Scalar Field Cosmology with Causal Viscous Fluid

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ap%26ss.254..133s&link_type=abstract

Astrophysics and Space Science, Volume 254, Issue 1, pp.133-142

Astronomy and Astrophysics

Astrophysics

Scientific paper

An exact cosmological solution for Friedman Robertson Walker (FRW)metric is obtained with a classical scalar field φ along with a potential in the presence of a causal viscous fluid. Assuming the scale factor to be a function of the scalar field we have obtained solutions in both the truncated and the full causal theory. It is shown that an inflationary model can be obtained by imposing certain constraints on some constants. The radiative bulk viscosity during the decoupling era has also been studied as a special case.

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