The Influence of Evolving Dark Energy on Cosmology

Details The Influence of Evolving Dark Energy on Cosmology The Influence of Evolving Dark Energy on Cosmology

2005-10-28

arxiv.org/abs/astro-ph/0510791v1

Publ.Astron.Soc.Austral.22:315,2005

Astronomy and Astrophysics

Astrophysics

11 pages, 11 figures, to appear in Proceedings of the Astronomical Society of Australia

Scientific paper

10.1071/AS05031

Observational evidence indicating that the expansion of the universe is accelerating has surprised cosmologists in recent years. Cosmological models have sought to explain this acceleration by incorporating `dark energy', of which the traditional cosmological constant is just one possible candidate. Several cosmological models involving an evolving equation of state of the dark energy have been proposed, as well as possible energy exchange to other components, such as dark matter. This paper summarises the forms of the most prominent models and discusses their implications for cosmology and astrophysics. Finally, this paper examines the current and future observational constraints on the nature of dark energy.

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