TL;DR
This paper explores how nonlinear spinor fields influence the evolution of anisotropic Bianchi type VI cosmological models, revealing oscillatory expansion modes and the impact of inhomogeneity.
Contribution
It provides exact solutions for nonlinear spinor and gravitational fields in Bianchi type VI models, highlighting the role of inhomogeneity in cosmic evolution.
Findings
Oscillatory expansion mode identified for specific spinor nonlinearities.
Inhomogeneity significantly affects the evolution of spinor and gravitational fields.
Exact solutions demonstrate the interplay between spinor nonlinearity and cosmological dynamics.
Abstract
Within the scope of Bianchi type VI (BVI) model the self-consistent system of nonlinear spinor and gravitational fields is considered. Exact self-consistent solutions to the spinor and gravitational field equations are obtained for some special choice of spatial inhomogeneity and nonlinear spinor term. The role of inhomogeneity in the evolution of spinor and gravitational field is studied. Oscillatory mode of expansion of the BVI universe is obtained for some special choice of spinor field nonlinearity.
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