Radiation can never again dominate Matter in a Vacuum Dominated Universe
Astrophysics
2008-11-26 v3 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We demonstrate that in a vacuum-energy-dominated expansion phase, surprisingly neither the decay of matter nor matter-antimatter annihilation into relativistic particles can ever cause radiation to once again dominate over matter in the future history of the universe.
Cite
@article{arxiv.astro-ph/0702207,
title = {Radiation can never again dominate Matter in a Vacuum Dominated Universe},
author = {Lawrence M. Krauss and Robert J. Scherrer},
journal= {arXiv preprint arXiv:astro-ph/0702207},
year = {2008}
}
Comments
updated version, as it will appear in Phys. Rev D. Title change, and some other minor alterations