Search

ACCELERATION AND DECELERATION IN COSMOLOGY WITH SPINOR AND SCALAR FIELDS NON-MINIMALLY COUPLED TO F(R) GRAVITY // Tomsk State Pedagogical University Bulletin. 2014. Issue 12 (153). P. 208-212

The solution to the current extending Universe problem, and the description of all stages of evolution compels scientists to consider various cosmological models. We combine two different approaches to the description of dark energy: modified gravity theory and introduction of the additional fields. We investigate the accelerating and decelerating cosmological models with non-linear spinor fields and non-minimal interaction of gravity with a scalar field. Scalar - tensor models are rather simple and also allow us to clearly define the separate stages of evolution. We explained the role of scalar and spinor potentials for emergence of accelerating or decelerating cosmology.

Keywords: cosmological model, non-minimally interactions, scalar field, spinor field