Structure Formation and the Time Dependence of Quintessence

Details Structure Formation and the Time Dependence of Quintessence Structure Formation and the Time Dependence of Quintessence

2001-07-27

arxiv.org/abs/astro-ph/0107525v1

Phys.Rev. D64 (2001) 123520

Astronomy and Astrophysics

Astrophysics

8 pages, 6 eps figures

Scientific paper

10.1103/PhysRevD.64.123520

We discuss the influence of dark energy on structure formation, especially the effects on \sigma_8. Our interest is particularly focused on quintessence models with time-dependent equation of state and non-negligible quintessence component in the early universe. We obtain an analytic expression for \sigma_8 valid for a large class of dark energy models. We conclude that structure formation is a good indicator for the history of dark energy and use our results to set constraints on quintessence models.

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