Tracking through equality
arXiv:astro-ph/0609568 · doi:10.1016/j.newast.2006.11.001
Abstract
We give a tracker solution for the quintessence scalar field for Ratra--Peebles or SUGRA potentials, holding before, during and after the equality epoch (ρ_m=ρ_r) and nicely fitting the numerical behavior.
submitted to New Astronomy