Qualitative analysis of dissipative cosmologies

Details Qualitative analysis of dissipative cosmologies Qualitative analysis of dissipative cosmologies

2000-10-06

arxiv.org/abs/gr-qc/0010021v1

Phys.Rev.D63:023501,2001

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 5 figures, RevTex. To appear in PRD

Scientific paper

10.1103/PhysRevD.63.023501

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.

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