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Relativistic Viscous Universe Models

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arxiv 1409.8561 v1 pith:JGCDDQM6 submitted 2014-09-30 gr-qc

Iver Brevik , {O}yvind Gr{o}n This is my paper · ORCID
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keywords universeviscosityanisotropydecaymodelsrelativisticviscousbeen
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The research on relativistic universe models with viscous fluids is reviewed. Viscosity may have been of significance during the early inflationary era, and may also be of importance for the late time evolution of the Universe. Bulk viscosity and shear viscosity cause exponential decay of anisotropy, while nonlinear viscosity causes power-law decay of anisotropy. We consider also the influence from turbulence, in connection with future singularities of the universe (Big Rip and Little Rip). Finally, we review some recent developments of causal cosmology theories.

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Cited by 1 Pith paper

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  1. The Heuristic Approach to General Relativity in the Laplace-Beltrami Formalism

    gr-qc 2026-05 unverdicted novelty 2.0 of 10

    Heuristic extension of Laplace-Beltrami formalism to EFEs shows first-order terms heuristically describe vector and scalar fields on curved spacetime via representative metric Ansätze.

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