A model of interacting holographic dark energy at the Ricci's scale
Cosmology and Nongalactic Astrophysics
2011-02-25 v1 General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
We study a holographic cosmological model in which the infrared cutoff is set by the Ricci's length and dark matter and dark energy do not evolve on their own but interact non-gravitationally with each other. This greatly alleviates the cosmic coincidence problem because the ratio between both components does not vanish at any time. We constrain the model with observational data from supernovae, cosmic background radiation, baryon acoustic oscillations, gas mass fraction in galaxy clusters, the history of the Hubble function, and the growth function.
Keywords
Cite
@article{arxiv.1012.2986,
title = {A model of interacting holographic dark energy at the Ricci's scale},
author = {Ivan Duran and Diego Pavon},
journal= {arXiv preprint arXiv:1012.2986},
year = {2011}
}
Comments
22 pages, 10 figures; key words: cosmology, dark energy, holography, observational constraints. To be published in the Physical Review D