A model for a non-minimally coupled scalar field interacting with dark matter
General Relativity and Quantum Cosmology
2007-05-23 v1
Abstract
In this work we investigate the evolution of a Universe consisted of a scalar field, a dark matter field and non-interacting baryonic matter and radiation. The scalar field, which plays the role of dark energy, is non-minimally coupled to space-time curvature, and drives the Universe to a present accelerated expansion. The non-relativistic dark matter field interacts directly with the dark energy and has a pressure which follows from a thermodynamic theory. We show that this model can reproduce the expected behavior of the density parameters, deceleration parameter and luminosity distance.
Keywords
Cite
@article{arxiv.gr-qc/0601106,
title = {A model for a non-minimally coupled scalar field interacting with dark matter},
author = {J. B. Binder and G. M. Kremer},
journal= {arXiv preprint arXiv:gr-qc/0601106},
year = {2007}
}
Comments
3 pages, 4 figures. To appear in Brazilian Journal of Physics