Observational Constraints on Cardassian Expansion

Details Observational Constraints on Cardassian Expansion Observational Constraints on Cardassian Expansion

2002-11-28

arxiv.org/abs/astro-ph/0211634v3

Astrophys.J. 588 (2003) 1-6

Astronomy and Astrophysics

Astrophysics

Typos and some confusion with the notations corrected. Accepted for publication in The Astrophysical Journal

Scientific paper

10.1086/373900

In this work, we have studied the observational constraints on the Cardassian Model for the dark energy. We have compared the model with existing Supernova data. The dependence of the location of the Cosmic Microwave Background Radiation (CMBR) peaks on the parameters of the model have also been studied. We find, in particular, that observational data arising from Archeops for the location of the first peak, BOOMERANG for the location of the third peak, together with the Supernova data, constrain significantly the parameter space.

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