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Unifying dark energy and dark matterwith a scalar field

Published online by Cambridge University Press:  19 May 2006

G.A. Mamon ,
F. Combes ,
C. Deffayet ,
B. Fort  and
A. Arbey
A. Arbey*
Affiliation:
Centre de Recherche Astronomique de Lyon (CRAL), 9 avenue Charles André, 69561 Saint Genis Laval Cedex, France
*
[email protected]
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Abstract

The standard model of cosmology considers the existence of two components of unknown nature, “dark matter” and “dark energy”, which determine the cosmological evolution. Their nature remains unknown, and other models can also be considered. In particular, it may be possible to reinterpret the recent cosmological observations so that the Universe does not contain two fluids of unknown natures, but only one fluid with particular properties. After a brief review of constraints on this unifying “dark fluid”, we will discuss a specific model of dark fluid based on a complex scalar fluid.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 20: Mass Profiles and Shapes of Cosmological Structures , 2006 , pp. 257 - 260
Copyright
© EAS, EDP Sciences, 2006

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