Variable Modified Chaplygin Gas in Anisotropic Universe with Kaluza-Klein Metric

Details Variable Modified Chaplygin Gas in Anisotropic Universe with Kaluza-Klein Metric Variable Modified Chaplygin Gas in Anisotropic Universe with Kaluza-Klein Metric

2012-01-04

arxiv.org/abs/1201.0852v1

Physics

General Physics

11 pages, 13 figures

Scientific paper

In this work, we have consider Kaluza-Klein Cosmology for anisotropic universe where the universe is filled with variable modified chaplygin gas (VMCG). Here we find normal scalar field $\phi$ and the self interacting potential $V(\phi)$ to describe the VMCG Cosmology. Also we graphically analyzed the geometrical parameters named {\it statefinder parameters} in anisotropic Kaluza-Klein model. Next, we consider a Kaluza-Klein model of interacting VMCG with dark matter in the Einstein gravity framework. Here we construct the three dimensional autonomous dynamical system of equations for this interacting model with the assumption that the dark energy and the dark matter are interact between them and for that we also choose the interaction term. We convert that interaction terms to its dimensionless form and perform stability analysis and solve them numerically. We obtain a stable scaling solution of the equations in Kaluza-Klein model and graphically represent solutions.

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