期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 22, 期 9, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271813500612
关键词
Bulk viscosity; cosmology; modified cosmic Chaplygin gas; dark energy
In this paper, we construct viscous modified cosmic Chaplygin gas as a model of dark energy. We use exponential function method to solve nonlinear equation and obtain time-dependent dark energy density. Then, we discuss Hubble expansion parameter and scale factor and fix them by using observational data. Effect of viscosity to the evolution of Universe is investigated. We also investigate stability of this theory.
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