Qualitative analysis of dissipative cosmologies

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The evolution of an homogeneous and isotropic dissipative fluid is analyzed using dynamical systems techniques. The dissipation is driven by bulk viscous pressure and the truncated Israel-Stewart theory is used. Although almost all solutions inflate, we show that only few of them can be considered as physical solutions since the dominant energy condition is not satisfied.
10 pages, 5 figures, RevTex. To appear in PRD

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General Relativity and Quantum Cosmology, Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/196849

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0010021
 http://arxiv.org/abs/gr-qc/0010021
 Phys.Rev.D63:023501,2001
 doi:10.1103/PhysRevD.63.023501

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arXiv