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New cosmological solutions and stability analysis in full extended thermodynamics

Luis P. Chimento, Alejandro S. Jakubi, Vicenç Méndez

gr-qcarXiv:gr-qc/9705045

Abstract

The Einstein's field equations of FRW universes filled with a dissipative fluid described by full theory of causal transport equations are analyzed. New exact solutions are found using a non-local transformations on the nonlinear differential equation for the Hubble factor. The stability of the de Sitter and asymptotically friedmannian solutions are analyzed using Lyapunov function method.

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