A Scalar-Tensor Bimetric Brane World Cosmology
Donam Youm
TL;DR
This paper explores a scalar-tensor bimetric cosmological model within the Randall-Sundrum framework, deriving effective Friedmann equations and discussing potential solutions to cosmological issues.
Contribution
It introduces a novel bimetric scalar-tensor cosmology in the brane world context with derived equations and cosmological implications.
Findings
Derived effective Friedmann equations for the model
Discussed potential resolution of cosmological problems
Analyzed the impact of the biscalar field on brane cosmology
Abstract
We study a scalar-tensor bimetric cosmology in the Randall-Sundrum model with one positive tension brane, where the biscalar field is assumed to be confined on the brane. The effective Friedmann equations on the brane are obtained and analyzed. We comment on resolution of cosmological problems in this bimetric model.
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