Interacting scalar and spinor fields in Bianchi type I universe filled with magneto-fluid

Details Interacting scalar and spinor fields in Bianchi type I universe filled with magneto-fluid Interacting scalar and spinor fields in Bianchi type I universe filled with magneto-fluid

2003-09-12

arxiv.org/abs/gr-qc/0309062v1

Astrophys.Space Sci. 299 (2005) 149-158

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTex4, 8 pages, no figures

Scientific paper

10.1007/s10509-005-5162-z

Self-consistent system of spinor, scalar and BI gravitational fields in presence of magneto-fluid and $\Lambda$-term is considered. Assuming that the expansion of the BI universe is proportional to the $\sigma_1^1$ component of the shear tensor, exact solutions for the metric functions, as well as for scalar and spinor fields are obtained. For a non-positive $\Lambda$ the initially anisotropic space-time becomes isotropic one in the process of expansion, whereas, for $\Lambda > 0$ an oscillatory mode of expansion of the BI model occurs.

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