Observational Constraints on Cardassian Expansion
arXiv:astro-ph/0211634 · doi:10.1086/373900
Abstract
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.
Typos and some confusion with the notations corrected. Accepted for publication in The Astrophysical Journal
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