30 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Bauman Moscow State Technical UniversityRU13 papers
- Ulyanovsk State Pedagogical University Named After I. UlyanovRU10 papers
- University of KwaZulu-NatalZA10 papers
- Kazan Federal UniversityRU9 papers
- Immanuel Kant Baltic Federal UniversityRU3 papers
- Institute of PhysicsPL3 papers
- Jamia Millia IslamiaIN2 papers
- Tomsk State Pedagogical UniversityRU2 papers
- Tomsk State University of Control Systems and Radio-ElectronicsRU2 papers
- University of ZululandZA2 papers
- All-Russian research Institute of metrological serviceRU1 paper
- Aristotle University of ThessalonikiGR1 paper
23 papers
Dynamical system analysis in modified Galileon cosmology
L. K. Duchaniya, B. Mishra, I. V. Fomin +1
In this paper, we have investigated the phase space analysis in modified Galileon cosmology, where the Galileon term is considered a coupled scalar field, . We focus on the e…
Solutions of Maxwell equations for admissible electromagnetic fields, in spaces with simply transitive four-parameter groups of motions
V. V. Obukhov, S. V. Chervon, D. V. Kartashov
All non-equivalent solutions of vacuum Maxwell equations are found for the case when space-time manifolds admit simply transitive four-parameter groups of motions . The pot…
New method of exponential potentials reconstruction based on given scale factor in phantonical two-field models
I. V. Fomin, S. V. Chervon
We investigate two-field cosmological model with phantom and canonical fields (phantonical model as a generalisation of the quintom model for global universe evolution, including e…
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…
Exact and slow-roll solutions for exponential power-law inflation connected with f(R) gravity and observational constraints
I. V. Fomin, S. V. Chervon
We investigate an ability of the exponential power-law inflation to be phenomenologically correct model of the early universe. GR scalar cosmology equations we study in Ivanov-Salo…
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…
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…
Kinetic Scalar Curvature Extended Gravity
S. V. Chervon, A. V. Nikolaev, T. I. Mayorova +2
In this work we study a modified version of vacuum gravity with a kinetic term which consists of the first derivatives of the Ricci scalar. We develop the general formalism…
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…
New Exact Solutions for a Chiral Cosmological Model in 5D EGB Gravity
Sunil D. Maharaj, Aroonkumar Beesham, Sergey V. Chervon +1
We consider a chiral cosmological model in the framework of Einstein-Gauss-Bonnet cosmology. Using a decomposition of the latter equations in such a way that the first chiral field…
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…
Exact solutions for scalar field cosmology in f(R) gravity
S. D. Maharaj, R. Goswami, S. V. Chervon +1
We look for exact solutions in scalar field cosmology. To achieve this we use modified gravity with a scalar field and do not specify the the form of the function. In…
The effect of universe inhomogeneities on cosmological distance measurements
Aleksei Nikolaev, Sergey Chervon
Using the focusing equation, the equation for the cosmological angular diameter distance is derived, based on the ideas of Academician Ya.B. Zel'dovich, namely, that the distributi…
Development of Zeldovich's approach for cosmological distances measurement in the Friedmann Universe
Aleksey Nikolaev, Sergey Chervon
We present our development of Zeldovich's ideas for the measurement of the cosmological angular diameter distance (ADD) in the Friedmann Universe. We derive the general differentia…
CDM coupled to radiation. Dark energy and Universe acceleration
Renat R. Abbyazov, Sergey V. Chervon, Volker Müller
Recently the Chiral Cosmological Model (CCM) coupled to cold dark matter (CDM) has been investigated as CDM model to study the observed accelerated expansion of the Universe. Da…
An Emergent Universe supported by chiral cosmological fields in Einstein--Gauss--Bonnet gravity
Sergey V. Chervon, Sunil D. Maharaj, Aroonkumar Beesham ans Aleksandr Kubasov
We propose the application of the chiral cosmological model (CCM) for the Einstein--Gauss--Bonnet (EGB) theory of gravitation with the aim of finding new models of the Emergent Uni…
Unified dark matter and dark energy description in a chiral cosmological model
Renat R. Abbyazov, Sergey V. Chervon
We show the way of dark matter and dark energy presentation via ansatzs on the kinetic energies of the fields in the two-component chiral cosmological model. To connect a kinetic i…
New exact cosmologies on the brane
Artyom V. Astashenok, Artyom V. Yurov, Sergey V. Chervon +2
We develop a method for constructing exact cosmological solutions in brane world cosmology. New classes of cosmological solutions on Randall-Sandrum brane are obtained. The superpo…
Mathematical Physics : Problems and Solutions of The Students Training Contest Olympiad in Mathematical and Theoretical Physics (May 21st - 24th, 2010)
G. S. Beloglazov, A. L. Bobrick, S. V. Chervon +11
The present issue of the series <<Modern Problems in Mathematical Physics>> represents the Proceedings of the Students Training Contest Olympiad in Mathematical and Theoretical Phy…
Wormholes supported by chiral fields
K. A. Bronnikov, S. V. Chervon, S. V. Sushkov
We consider static, spherically symmetric solutions of general relativity with a nonlinear sigma model (NSM) as a source, i.e., a set of scalar fields (so-called…