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Shynaray Myrzakul Ratbay Myrzakulov Lorenzo Sebastiani 《Astrophysics and Space Science》2014,350(2):845-853
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. 相似文献
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