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2016•Unpublished venueRequires access

1 An Interacting Two-Fluid Scenario for Dark Energy in FRW Universe

Hassan Amirhashchi, Anirudh Pradhan, Bijan Saha

Open publisher page 69 citations

Abstract

We study the evolution of the dark energy parameter within the scope of a spatially homogeneous and isotropic Friedmann—Robertson—Walker (FRW) model filled with barotropic fluid and dark energy. To obtain the deterministic solution we choose the scale factor , which yields a time-dependent deceleration parameter (DP). In doing so, we consider the case minimally coupled with dark energy to the perfect fluid as well as direct interaction with it.

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What this paper is about

We study the evolution of the dark energy parameter within the scope of a spatially homogeneous and isotropic Friedmann—Robertson—Walker (FRW) model filled with barotropic fluid and dark energy. To obtain the deterministic solution we choose the scale factor , which yields a time-dependent deceleration parameter (DP). In doing so, we consider the case minimally coupled with dark energy to the perfect fluid as well as direct interaction with it.

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OpenAlex reports 69 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

We study the evolution of the dark energy parameter within the scope of a spatially homogeneous and isotropic Friedmann—Robertson—Walker (FRW) model filled with barotropic fluid and dark energy. To obtain the deterministic solution we choose the scale factor , which yields a time-dependent deceleration parameter (DP). In doing so, we consider the case minimally coupled with dark energy to the perfect fluid as well as direct interaction with it.

Key concepts: Friedmann–Lemaître–Robertson–Walker metric, Barotropic fluid, Dark energy, Scale factor (cosmology), Physics, Dark fluid, Perfect fluid, Deceleration parameter

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