NEW COSMOLOGICAL SOLUTIONS AND STABILITY ANALYSIS IN FULL EXTENDED THERMODYNAMICS

Author:

CHIMENTO LUIS P.1,JAKUBI ALEJANDRO S.1,MÉNDEZ VICENÇ2

Affiliation:

1. Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, 1428 Buenos Aires, Argentina

2. Departament de Física, Facultat de Ciències, edifici Cc, Universitat Autònoma de Barcelona, E-08193 Bellaterra (Barcelona), Spain

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 nonlocal transformation 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.

Publisher

World Scientific Pub Co Pte Lt

Subject

Space and Planetary Science,Astronomy and Astrophysics,Mathematical Physics

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