# COSMOLOGY OF CHAMELEONS WITH POWER-LAW COUPLINGS

@article{Mota2010COSMOLOGYOC, title={COSMOLOGY OF CHAMELEONS WITH POWER-LAW COUPLINGS}, author={David F. Mota and Hans A. Winther}, journal={The Astrophysical Journal}, year={2010}, volume={733} }

In chameleon field theories, a scalar field can couple to matter with gravitational strength and still evade local gravity constraints due to a combination of self-interactions and the couplings to matter. Originally, these theories were proposed with a constant coupling to matter; however, the chameleon mechanism also extends to the case where the coupling becomes field dependent. We study the cosmology of chameleon models with power-law couplings and power-law potentials. It is found that…

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