Gravity assisted dark energy dominance and cosmic acceleration
Astrophysics
2008-11-26 v3 High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
It is proposed that dark energy may become dominant over standard matter due to universe expansion (curvature decrease). Two models: non-linear gravity-matter system and modified gravity may provide the effective phantom or effective quintessence dark energy which complies with the conjecture. It is interesting that future of such universe is not necessary finite time singularity (Big Rip). The effective quintessence naturally describes current cosmic speed-up.
Cite
@article{arxiv.astro-ph/0403622,
title = {Gravity assisted dark energy dominance and cosmic acceleration},
author = {Shin'ichi Nojiri and Sergei D. Odintsov},
journal= {arXiv preprint arXiv:astro-ph/0403622},
year = {2008}
}
Comments
RevTeX4, 4 pages, minor changes, version to appear in PLB