A Quintessence Problem in Brans-Dicke Theory with Varying Speed of Light
Subenoy Chakraborty, N. C. Chakraborty, Ujjal Debnath
TL;DR
This paper demonstrates that a minimally coupled scalar field in Brans-Dicke theory with a varying speed of light can address the quintessence problem and enable a non-decelerated expansion of the universe without matter in anisotropic models.
Contribution
It introduces a novel approach using Brans-Dicke theory with a varying speed of light to solve the quintessence problem and achieve accelerated cosmic expansion without matter.
Findings
Scalar field in BD theory can solve the quintessence problem.
Non-decelerated expansion possible without matter in anisotropic models.
Varying speed of light plays a crucial role in cosmic acceleration.
Abstract
It is shown that minimally coupled scalar field in Brans-Dicke theory with varying speed of light can solve the quintessence problem and it is possible to have a non-decelerated expansion of the present universe with BD-theory for anisotropic models without any matter.
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