Abstract
In this work, Friedmann–Robertson–Walker model is investigated in [Formula: see text] gravity for a perfect fluid by a numerical analysis. In order to solve the modified field equations, we use a new solution method based on to propose the functional forms of the energy density and the pressure. In this context, in keeping with the recent indications of the observed universe, we consider two different propositions. We show for both propositions that the behaviors of the Hubble and the deceleration parameters are consistent with astrophysical observations and the model depicts de Sitter universe. It is also shown that the model incorporates the initial radiation-dominated era, and it is dominated by a quintessence like fluid at late era for both the propositions.
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