A tracker solution is given for the quintessence scalar field for Ratra-Peebles or SUGRA potentials, holding before, during and after the equality epoch and nicely fitting the numerical behavior.
Sassi, G., Bonometto, S. (2007). Tracking through equality. NEW ASTRONOMY, 12(4), 353-355 [10.1016/j.newast.2006.11.001].
Tracking through equality
SASSI, GIANDOMENICO;BONOMETTO, SILVIO
2007
Abstract
A tracker solution is given for the quintessence scalar field for Ratra-Peebles or SUGRA potentials, holding before, during and after the equality epoch and nicely fitting the numerical behavior.
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