Interacting models may be key to solve the cosmic coincidence problem
General Relativity and Quantum Cosmology
2009-02-06 v1 Astrophysics
High Energy Physics - Phenomenology
Abstract
It is argued that cosmological models that feature a flow of energy from dark energy to dark matter may solve the coincidence problem of late acceleration (i.e., "why the energy densities of both components are of the same order precisely today?"). However, much refined and abundant observational data of the redshift evolution of the Hubble factor are needed to ascertain whether they can do the job.
Keywords
Cite
@article{arxiv.0812.2210,
title = {Interacting models may be key to solve the cosmic coincidence problem},
author = {Sergio del Campo and Ramon Herrera and Diego Pavon},
journal= {arXiv preprint arXiv:0812.2210},
year = {2009}
}
Comments
25 pages, 11 figures; accepted for publication in JCAP