Holographic representation of the unified early and late universe via a viscous dark fluid
arXiv:2203.04081 · doi:10.1142/S0219887822501134
Abstract
In this article we apply the holographic principle for describing in a unifying way the early and the late-time universe, when the general equation of state contains a bulk viscosity. We use the idea of a generalized cut-off holographic dark energy introduced by Nojiri and Odintsov (2006,2017), and study the evolution of the universe when the equation of state has two power-law asymptotes. Analytical expressions for the infrared cut-offs in terms of the particle horizon are obtained. The energy conservation laws as derived from the holographic point of view, are given for various forms of the thermodynamic parameters and for various forms of the bulk viscosity. As a result, we obtain a unifying description of the early and the late-time universe in the presence of a viscous holographic fluid.
arXiv comment6 pages, minor changes in the references; to appear in Int. J. Geom. Meth. Mod. Phys
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