Covariant Thermodynamics and ``Realistic'' Friedmann Model
High Energy Physics - Theory
2007-05-23 v1
Abstract
We discuss a cosmological Friedmann model modified by inclusion of off-shell matter which has an equation of state Such matter is shown to have energy density comparable with that of non-interacting radiation at temperatures of the order of the Hagedorn temperature, K, indicating the possibility of a phase transition. It is argued that the -phase, or an admixture, lies below the high-temperature -phase.
Cite
@article{arxiv.hep-th/9508119,
title = {Covariant Thermodynamics and ``Realistic'' Friedmann Model},
author = {L. Burakovsky and L. P. Horwitz},
journal= {arXiv preprint arXiv:hep-th/9508119},
year = {2007}
}