Phenomenological parameterization of quintessence

Details Phenomenological parameterization of quintessence Phenomenological parameterization of quintessence

2004-03-11

arxiv.org/abs/astro-ph/0403289v1

Phys.Lett. B594 (2004) 17-22

Astronomy and Astrophysics

Astrophysics

9 pages, LaTeX

Scientific paper

10.1016/j.physletb.2004.05.008

We propose a simple phenomenological parameterization of quintessence with a
time-varying equation of state. In particular, it accounts for the possibility
of early dark energy. The quintessence potential can be reconstructed in terms
of the present fraction in dark energy, the present equation of state and the
amount of early dark energy.

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