Towards a covariant model for cosmic self-acceleration
High Energy Physics - Theory
2008-11-26 v2 Astrophysics
High Energy Physics - Phenomenology
Abstract
An explicitly covariant formulation is presented of a modified DGP scenario proposed recently [1], to avoid the instability of the self-accelerating branch. It is based on the introduction of a bulk scalar field with appropriate non-minimal coupling to the bulk Einstein-Hilbert term. The method is general and may be applied to other models as well.
Cite
@article{arxiv.0706.3393,
title = {Towards a covariant model for cosmic self-acceleration},
author = {Alexey S. Koshelev and Theodore N. Tomaras},
journal= {arXiv preprint arXiv:0706.3393},
year = {2008}
}