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Interacting spinor and scalar fields in Bianchi cosmology
Bijan Saha
A self-consistent system of interacting spinor and scalar fields is considered within the scope of Bianchi type VI cosmological model filled with a perfect fluid. The contribution…
Interacting spinor and scalar fields in a Bianchi type-I Universe: Oscillatory solutions
Bijan Saha, Todor Boyadjiev
Self-consistent system of spinor, scalar and BI gravitational fields is considered. Exact solutions to the field equations in terms of volume scale of the BI metric are obtained. E…
Spinor field with induced nonlinearity in a Bianchi type-I Universe
Bijan Saha
Self-consistent solutions to the spinor, scalar and BI gravitational field equations are obtained. The problems of initial singularity and asymptotically isotropization process of…
Nonlinear Spinor Field in Anisotropic Universes
Bijan Saha
Evolution of an anisotropic universe described by a Bianchi type I (BI) model in presence of nonlinear spinor field has been studied by us recently in a series of papers. On offer…
Nonlinear Spinor and Scalar Fields in General Relativity
Bijan Saha, G. N. Shikin
We consider a system of nonlinear spinor and scalar fields with minimal coupling in general relativity. The nonlinearity in the spinor field Lagrangian is given by an arbitrary fun…
Droplet-like Solutions to the Nonlinear Scalar Field Equations in the Robertson-Walker Space-time and their Stability
Yu. P. Rybakov, B. Saha, G. N. Shikin
Exact droplet-like solutions to the nonlinear scalar field equations have been obtained in the Robertson-Walker space-time and their linearized stability has been proved.