Recurrent Acceleration in Dilaton-Axion Cosmology
High Energy Physics - Theory
2008-11-26 v4 Astrophysics
General Relativity and Quantum Cosmology
Abstract
A class of Einstein-dilaton-axion models is found for which almost all flat expanding homogeneous and isotropic universes undergo recurrent periods of acceleration. We also extend recent results on eternally accelerating open universes.
Keywords
Cite
@article{arxiv.hep-th/0608068,
title = {Recurrent Acceleration in Dilaton-Axion Cosmology},
author = {Julian Sonner and Paul K. Townsend},
journal= {arXiv preprint arXiv:hep-th/0608068},
year = {2008}
}
Comments
8 pages, 7 figures. minor changes. Version 4 corrects a figure caption