Spinor field and accelerated regimes in cosmology

Abstract

A self-consistent system of interaction nonlinear spinor and scalar fields within the scope of a BI cosmological model filled with perfect fluid is considered. The role of spinor field in the evolution of the Universe is studied. It is shown that the spinor field nonlinearity can generate a negative effective pressure, which can be seen as an alternative source for late time acceleration of the Universe.

7 pages, 4 figures

Cited by in corpus (8)

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• Nonlinear Spinor Fields and its role in Cosmology
• Nonlinear Spinor field in isotropic space-time and dark energy models
• Spinor model of a perfect fluid and their applications in Bianchi type-I and FRW models
• Nonlinear Spinor Fields in Bianchi type-I spacetime reexamined
• Cosmic expansion from boson and fermion fields
• Nonlinear Spinor Fields in Bianchi type-III spacetime
• Conformal coupling associated with the Noether symmetry and its connection with the $\Lambda$CDM dynamics