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Inflation and accelerated expansion TeVeS cosmological solutions

Luz Maria Diaz-Rivera·Lado Samushia·Bharat Ratra
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Abstract

We find exact exponentially expanding and contracting de Sitter solutions of the spatially homogeneous TeVeS cosmological equations of motion in the vacuum TeVeS model and a power law accelerated expanding solution in thepresence of an additional ideal fluid with equation of state parameter $-5/3 < ω< -1$. A preliminary stability analysis shows that the expanding vacuum solution is stable, while in the ideal fluid case stability depends on model parameter values. These solutions might provide a basis for incorporating early-time inflation or late-time accelerated expansion in TeVeS cosmology.

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Luz Maria Diaz-Rivera, Lado Samushia, Bharat Ratra. 2006-03-19. Inflation and accelerated expansion TeVeS cosmological solutions. https://doi.org/10.1103/physrevd.73.083503

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