Inhomogeneous viscous fluids in FRW universe and finite-future time singularities |
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| Authors: | Shynaray Myrzakul Ratbay Myrzakulov Lorenzo Sebastiani |
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| Institution: | 1. Eurasian International Center for Theoretical Physics and Department of General Theoretical Physics, Eurasian National University, Astana, 010008, Kazakhstan
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| Abstract: | We consider inhomogeneous viscous fluids in flat Friedmann-Robertson-Walker universe. We analyze different kinds of such fluids and investigate the possibility to reproduce the current cosmic acceleration providing a different future evolution with respect to the Cosmological Constant case. In particular, we study the presence of finite-future time singularities. We also discuss a general class of “integrable” viscous fluid models whose bulk viscosities obey to a common differential equation. |
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