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Hyper-Surface Universe with Wet Dark Fluid in General Relativity
Abstract
Hypersurface Universe filled with dark energy from a wet dark fluid has been considered. A new equation of state for dark energy component of the Universe has been used. It is modeled on the equation of state p = γ(ρ – ρ*) which can describe a liquid, for example water. The exact solution to the corresponding field equations are obtained in quadrature form. The solution for constant deceleration parameter have been studied in detail for both power-law and exponential forms. The cases γ = 1 and γ = 0 have also been analyzed.