An accelerated closed universe

Details An accelerated closed universe An accelerated closed universe

2004-08-03

arxiv.org/abs/astro-ph/0408059v1

Gen.Rel.Grav. 37 (2005) 675-683

Astronomy and Astrophysics

Astrophysics

11 pages. For a festschrift honoring Alberto Garcia. To appear in Gen. Rel. Grav

Scientific paper

10.1007/s10714-005-0055-6

We study a model in which a closed universe with dust and quintessence matter components may look like an accelerated flat Friedmann-Robertson-Walker (FRW) universe at low redshifts. Several quantities relevant to the model are expressed in terms of observed density parameters, $\Omega_M$ and $\Omega_{\Lambda}$, and of the associated density parameter $\Omega_Q$ related to the quintessence scalar field $Q$.

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