Chameleonic Generalized Brans--Dicke model and late-time acceleration

Abstract

In this paper we consider Chameleonic Generalized Brans--Dicke Cosmology in the framework of FRW universes. The bouncing solution and phantom crossing is investigated for the model. Two independent cosmological tests: Cosmological Redshift Drift (CRD) and distance modulus are applied to test the model with the observation.

arXiv comment20 pages, 15 figures, to be published in Astrophys. Space Sci. (2011)

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• Chameleon Field Dynamics During Inflation
• Cosmic acceleration and ekpyrotic bounce with Chameleon field
• Noncommutative Universe and Chameleon Field Dynamics
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• Observational constraints on tachyonic chameleon dark energy model
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• Cosmological Solutions of Chameleon Scalar Field Model
• Ether and Relativity
• An FLRW Cosmology with a Chameleon Field