Scalar Field Cosmologies with Viscous Fluid
classification
🌀 gr-qc
keywords
cosmologicalfieldfindfluidscalarsolutionsviscousasymptotically
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We investigate cosmological models with a free scalar field and a viscous fluid. We find exact solutions for a linear and nonlinear viscosity pressure. Both yield singular and bouncing solutions. In the first regime, a de Sitter stage is asymptotically stable, while in the second case we find power-law evolutions for vanishing cosmological constant.
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