48 citations · 215 across the 14 of their papers we have counts for
14 papers
The scalar-torsion gravity corrections in the first-order inflationary models
I. V. Fomin, S. V. Chervon, L. K. Duchaniya +1
The corrections to the cosmological models induced by non-minimal coupling between scalar field and torsion are considered. To determine these corrections in explicit form, the pow…
Modified inflationary models based on scalar-torsion gravity
I. V. Fomin, S. V. Chervon, K. A. Bolshakova
In this work, we consider the corrections to the cosmological models based on the teleparralel equivalent of general relativity and the scalar-torsion gravity implying non-minimal…
Reconstruction the scalar-torsion gravity version from the frame of exact cosmological solutions
I. V. Fomin, S. V. Chervon, E. S. Dentsel
We consider cosmological models based on the scalar-torsion gravity implying non-minimal coupling between torsion and the scalar field with certain relations between model's parame…
Black holes and wormholes in gravity with a kinetic curvature scalar
Sergey V. Chervon, Júlio C. Fabris, Igor V. Fomin
We study the chiral self-gravitating model (CSGM) of a special type in the spherically symmetric static spacetime in Einstein frame. Such CSGM is derived, by virtue of Weyl conform…
Spherical symmetric solutions of gravity with a kinetic curvature scalar
Sergey Chervon, Julio Fabris, Igor Fomin
We consider modified gravity with a kinetic curvature scalar as a chiral self-gravitating model in a spherically symmetric spacetime. Most attention devoted to finding solut…
Generalized scalar-tensor theory of gravity reconstruction from physical potentials of a scalar field
I. V. Fomin, S. V. Chervon, A. V. Tsyganov
We describe how to reconstruct generalized scalar-tensor gravity (GSTG) theory, which admits exact solutions for physical type of the potentials. Our consideration deals with cosmo…
Gauss-Bonnet term corrections in scalar field cosmology
Igor Fomin
The influence of non-minimal coupling of a scalar field and the Gauss-Bonnet term on the inflationary stage of evolution of the universe is investigated in this paper. The main cos…
Superpotential method for chiral cosmological models connected with modified gravity
S. V. Chervon, I. V. Fomin, E. O. Pozdeeva +2
We consider the Chiral Cosmological Models (CCMs) and modified gravity theories associated with them. Generalization of the superpotential method for a general CCM with several sca…
Reconstruction of GR cosmological solutions in modified gravity theories
Igor V. Fomin, Sergey V. Chervon
We study the special class of the exact solutions in cosmological models based on the Generalized Scalar-Tensor Gravity with non-minimal coupling of a scalar field to the Ricci sca…
Inflation with explicit parametric connection between General Relativity and Scalar-Tensor gravity
Igor Fomin, Sergey Chervon
In this paper we consider the cosmological inflation within scalar-tensor gravity and compare it with standard inflation based on general relativity. The difference is determined b…
Non-minimal coupling influence on the deviation from de Sitter cosmological expansion
Igor V. Fomin, Sergey V. Chervon
We investigate the models of cosmological inflation in generalized scalar-tensor gravity, which we consider as a source of deviation from de Sitter dynamics in the case of GR. With…
A new approach to exact solutions construction in scalar cosmology with a Gauss-Bonnet term
Igor V. Fomin, Sergey V. Chervon
We study the cosmological model based on Einstein-Gauss-Bonnet gravity with non-minimal coupling of a scalar field to a Gauss-Bonnet term in 4D Friedmann universe. We show how cons…
Exact Inflation in Einstein-Gauss-Bonnet Gravity
Igor V. Fomin, Sergey V. Chervon
We study cosmological inflation in the Einstein gravity model, where additionally the Gauss-Bonnet term non-minimally coupled to a scalar field is included. We prove that inflation…
The method of generating functions in exact scalar field cosmology
Sergey V. Chervon, Igor V. Fomin, Aroonkumar Beesham
Exact solutions construction in scalar fields cosmology is of growing interest. In this work we review the results which obtained with the help of one of the most effective method.…