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Perfect Fluid Cosmological Models with time-varying Constants

José Antonio Belinchón·Indrajit Chakrabarty
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Abstract

In this paper, we study in detail a perfect fluid cosmological model with time-varying "constants" using dimensional analysis and the symmetry method. We examine the case of variable "constants" in detail without considering the perfect fluid model as a limiting case of a model with a causal bulk viscous fluid as discussed in a recent paper. We obtain some new solutions through the Lie method and show that when matter creation is considered, these solutions are physically relevant.

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José Antonio Belinchón, Indrajit Chakrabarty. 2004-04-09. Perfect Fluid Cosmological Models with time-varying Constants. https://doi.org/10.1142/s0218271803003724

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