A Note on Gravitational Baryogenesis
General Relativity and Quantum Cosmology
2008-11-26 v2 High Energy Physics - Theory
Abstract
The coupling between Ricci scalar curvature and the baryon number current dynamically breaks CPT in an expanding universe and leads to baryon asymmetry. We study the effect of time dependence of equation of state parameter of the FRW universe on this asymmetry.
Keywords
Cite
@article{arxiv.0709.0697,
title = {A Note on Gravitational Baryogenesis},
author = {H. Mohseni Sadjadi},
journal= {arXiv preprint arXiv:0709.0697},
year = {2008}
}
Comments
10 pages, accepted for publication in Physical Review D