The cosmological behavior of Bekenstein's modified theory of gravity

C. Skordis; D. F. Mota; F. Bourliot; P. G. Ferreira

The cosmological behavior of Bekenstein's modified theory of gravity

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arxiv astro-ph/0611255 v2 pith:HMM3XFAP submitted 2006-11-08 astro-ph

F. Bourliot , P. G. Ferreira , D. F. Mota , C. Skordis This is my paper · ORCID

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We study the background cosmology governed by the Tensor-Vector-Scalar theory of gravity proposed by Bekenstein. We consider a broad family of potentials that lead to modified gravity and calculate the evolution of the field variables both numerically and analytically. We find a range of possible behaviors, from scaling to the late time domination of either the additional gravitational degrees of freedom or the background fluid.

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