Realistic Equations of State for the Primeval Universe
Astrophysics
2008-12-18 v2 General Relativity and Quantum Cosmology
Abstract
Early universe equations of state including realistic interactions between constituents are built up. Under certain reasonable assumptions, these equations are able to generate an inflationary regime prior to the nucleosynthesis period. The resulting accelerated expansion is intense enough to solve the flatness and horizon problems. In the cases of curvature parameter \kappa equal to 0 or +1, the model is able to avoid the initial singularity and offers a natural explanation for why the universe is in expansion.
Cite
@article{arxiv.0801.0705,
title = {Realistic Equations of State for the Primeval Universe},
author = {R. Aldrovandi and R. R. Cuzinatto and L. G. Medeiros},
journal= {arXiv preprint arXiv:0801.0705},
year = {2008}
}
Comments
32 pages, 5 figures. Citations added in this version. Accepted EPJC