Spinor field with induced nonlinearity in a Bianchi type-I Universe

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Self-consistent solutions to the spinor, scalar and BI gravitational field equations are obtained. The problems of initial singularity and asymptotically isotropization process of the initially anisotropic space-time are studied. It is also shown that the introduction of the Cosmological constant ($Λ$-term) in the Lagrangian generates oscillations of the BI model, which is not the case in absence of $Λ$ term.
RevTex, 16 pages, 8 figures

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/34442

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0212116
 http://arxiv.org/abs/gr-qc/0212116

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arXiv