Anisotropic cosmological models with spinor field and viscous fluid in presence of a $Λ$ term: qualitative solutions

Details Anisotropic cosmological models with spinor field and viscous fluid in presence of a $Λ$ term: qualitative solutions Anisotropic cosmological models with spinor field and viscous fluid in presence of a $Λ$ term: qualitative solutions

2007-05-22

arxiv.org/abs/0705.3128v1

J.Phys.A40:14011-14028,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, 3 Tables, 12 Figures

Scientific paper

10.1088/1751-8113/40/46/013

The study of a self-consistent system of nonlinear spinor and Bianchi type I gravitational fields in presence of a viscous fluid and $\Lambda$ term with the spinor field nonlinearity being some arbitrary functions of the invariants $I$ an $J$ constructed from bilinear spinor forms $S$ and $P$, generates a multi-parametric system of ordinary differential equations \cite{saharrp,grqcnlsp}. A qualitative analysis of the system in question has been thoroughly carried out. A complete qualitative classification of the mode of evolution of the universe given by the corresponding dynamic system has been illustrated.

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