Bianchi Type- III and Kantowski-Sachs Universes with wet Dark Fluid

• 作者: Raghavendra Chaubey
• 来源期刊: 天文学与天体物理学国际期刊(英文)
• 学科: 地球科学
• 关键词: COSMOLOGICAL UNIVERSE COSMOLOGICAL Parameters WET DARK FLUID
• 年，卷（期）: 2011,（2）
• 页码范围: 25-38
• 页数: 14页
• 分类号: P1

摘要

The Bianchi type- III and Kantowski-Sachs (KS) Universes filled with dark energy from a wet dark fluid has been considered. A new equation of state for the dark energy component of the universe has been used. It is modeled on the equation of state ρ=γ(ρ -ρ *) , which can describe a liquid, for example water. The exact solutions to the corresponding field equations are obtained in quadrature form. The solution for constant deceleration parameter have been studied in detail for power-law and exponential forms both. The case γ = 0,γ =1,and γ =1/3have been also analysed.