K. K. Ernazarov

activity

20162026

most citedStable exponential cosmological solutions with zero variation of

G

and three different Hubble-like parameters in the Einstein-Gauss-Bonnet model with a

Λ

-term

16 citations · 40 across the 18 of their papers we have counts for

collaborators

18 papers

gr-qc2026

Generalized Fisher-Janis-Newman-Winicour (FJNW) and Yilmaz-Rosen solutions in the higher-dimensional scalar-tensor theory with nonminimal coupling

K. K. Ernazarov

This paper investigates higher-dimensional scalar-tensor theories of gravity with nonminimal coupling, focusing on the reconstruction of exact spherically symmetric solutions. We s…

gr-qc2025

The asymptotically Schwarzschild-like metric solutions

K. K. Ernazarov

In this article we investigate the properties of the asymptotically Schwarzschild-like metric as an alternative to the Schwarzschild solution in General Relativity. While asymptoti…

gr-qc2025

The Yilmaz-Rosen and Janis-Newman-Winicour metric solutions in the scalar-Einstein-Gauss-Bonnet $4 d$ gravitational model

K. K. Ernazarov

We consider the scalar-Einstein-Gauss-Bonnet (sEGB) $4 d$ gravitational model with a scalar field $φ (u)$ , Einstein and Gauss-Bonnet terms. The model action contains a pot…

gr-qc2025★ 2 cited

Generalized Ellis-Bronnikov wormhole solution in the scalar-Einstein-Gauss-Bonnet $4 d$ gravitational model

K. K. Ernazarov

We consider the sEGB $4 d$ gravitational model with a scalar field $φ (u)$ , Einstein and Gauss-Bonnet terms. The model action contains a potential term $U (φ)$ ,…

gr-qc2025

The problem of reconstruction for static spherically-symmetric $4 D$ metrics in scalar-Einstein-Gauss-Bonnet model

K. K. Ernazarov, V. D. Ivashchuk

We consider the $4 D$ gravitational model with a scalar field $φ$ , Einstein and Gauss-Bonnet terms. The action of the model contains a potential term $U (φ)$ , Gauss-Bonnet coupling f…

gr-qc2024

On a reconstruction procedure for special spherically symmetric metrics in the scalar-Einstein-Gauss-Bonnet model: the Schwarzschild metric test

K. K. Ernazarov, V. D. Ivashchuk

The 4D gravitational model with a real scalar field $φ$ , Einstein and Gauss-Bonnet terms is considered. The action contains the potential $U (φ)$ and the Gauss-Bonnet coupling funct…

gr-qc2023★ 1 cited

Exact $(1 + 3 + 6)$ -dimensional cosmological-type solutions in gravitational model with Yang-Mills field, Gauss-Bonnet term and $Λ$ -term

V. D. Ivashchuk, K. K. Ernazarov, A. A. Kobtsev

We consider $10$ -dimensional gravitational model with $S O (6)$ Yang-Mills field, Gauss-Bonnet term and $Λ$ -term. We study so-called cosmological type solutions defined on product ma…

gr-qc2022

Examples of exact exponential cosmological solutions with three isotropic subspaces in the Einstein-Gauss-Bonnet gravity

K. K. Ernazarov

We consider $(1 + 8)$ - and $(1 + 10)$ -dimensional Einstein-Gauss-Bonnet models with the cosmological $Λ$ -term. Some new examples of exact solutions with three constant Hubble-like par…

gr-qc2022

Stable exponential cosmological type solutions with three factor spaces in EGB model with a $Λ$ -term

K. K. Ernazarov, V. D. Ivashchuk

We study a $D$ -dimensional Einstein-Gauss-Bonnet model which includes the Gauss-Bonnet term, the cosmological term $Λ$ and two non-zero constants: $α_{1}$ and $α_{2}$ . Under imposing t…

gr-qc2019

Stable exponential cosmological solutions with three factor spaces of dimensions $m = 3$ , $k_{1} = k$ and $k_{2} = k$ in the Einstein-Gauss-Bonnet model with a $Λ$ -term

K. K. Ernazarov

We consider a $(4 + 2 k)$ - dimensional Einstein-Gauss-Bonnet model with the cosmological $Λ$ -term. Exact stable solutions with three constant Hubble-like parameters in this model a…

gr-qc2019

Scale Factors of Homogeneous Anisotropic Cosmological Models with Perfect Fluid

K. K. Ernazarov

The article is devoted to cosmology. It deals with homogeneous anisotropic cosmological models. Scale factors have been evaluated for the multicomponent models with perfect fluid,…

gr-qc2019★ 5 cited

Stable exponential cosmological solutions with three different Hubble-like parameters in EGB model with a $Λ$ -term

K. K. Ernazarov, V. D. Ivashchuk

We consider a $D$ -dimensional Einstein-Gauss-Bonnet model with a cosmological term $Λ$ and two non-zero constants: $α_{1}$ and $α_{2}$ . We restrict the metrics to be diagonal ones and…

gr-qc2019★ 1 cited

On non-exponential cosmological solutions with two factor spaces of dimensions $m$ and $1$ in the Einstein-Gauss-Bonnet model with a $Λ$ -term

K. K. Ernazarov

We consider a $(m + 2)$ -dimensional Einstein-Gauss-Bonnet model with the cosmological $Λ$ -term. We restrict the metrics to be diagonal ones and find for certain $Λ = Λ (m)$ class of co…

gr-qc2019

Stable exponential cosmological solutions with three factor spaces in $(1 + 3 + 3 + k)$ -dimensional Einstein-Gauss-Bonnet model with a $Λ$ -term

K. K. Ernazarov

We consider a $(7 + k)$ -dimensional Einstein-Gauss-Bonnet model with the cosmological $Λ$ -term. A cosmological model with three factor spaces of dimensions $3$ , $3$ and $k$ , $k > 2…

gr-qc2019★ 7 cited

Examples of stable exponential cosmological solutions with three factor spaces in EGB model with a $Λ$ -term

K. K. Ernazarov, V. D. Ivashchuk

We deal with Einstein-Gauss-Bonnet model in dimension $D$ with a $Λ$ -term. We obtain three stable cosmological solutions with exponential behavior (in time) of three scale factors…

gr-qc2017★ 16 cited

Stable exponential cosmological solutions with zero variation of $G$ and three different Hubble-like parameters in the Einstein-Gauss-Bonnet model with a $Λ$ -term

K. K. Ernazarov, V. D. Ivashchuk

We consider a $D$ -dimensional gravitational model with a Gauss-Bonnet term and the cosmological term $Λ$ . We restrict the metrics to diagonal cosmological ones and find for certain…

gr-qc2017★ 8 cited

Stable exponential cosmological solutions with zero variation of G in the Einstein-Gauss-Bonnet model with a Lambda-term

K. K. Ernazarov, V. D. Ivashchuk

A D-dimensional gravitational model with a Gauss-Bonnet term and the cosmological term Lambda is considered. By assuming diagonal cosmological metrics, we find, for certain fine-tu…

gr-qc2016

On multidimensional solutions in the Einstein-Gauss-Bonnet model with a cosmological term

A. A. Kobtsev, V. D. Ivashchuk, K. K. Ernazarov

A D-dimensional gravitational model with Gauss-Bonnet and cosmological term is considered. When ansatz with diagonal cosmological metrics is adopted, we overview recent solutions f…

Generalized Fisher-Janis-Newman-Winicour (FJNW) and Yilmaz-Rosen solutions in the higher-dimensional scalar-tensor theory with nonminimal coupling

The asymptotically Schwarzschild-like metric solutions

The Yilmaz-Rosen and Janis-Newman-Winicour metric solutions in the scalar-Einstein-Gauss-Bonnet 4d gravitational model

Generalized Ellis-Bronnikov wormhole solution in the scalar-Einstein-Gauss-Bonnet 4d gravitational model

The problem of reconstruction for static spherically-symmetric 4D metrics in scalar-Einstein-Gauss-Bonnet model

On a reconstruction procedure for special spherically symmetric metrics in the scalar-Einstein-Gauss-Bonnet model: the Schwarzschild metric test

Exact (1+3+6)-dimensional cosmological-type solutions in gravitational model with Yang-Mills field, Gauss-Bonnet term and Λ-term

Examples of exact exponential cosmological solutions with three isotropic subspaces in the Einstein-Gauss-Bonnet gravity

Stable exponential cosmological type solutions with three factor spaces in EGB model with a Λ-term

Stable exponential cosmological solutions with three factor spaces of dimensions m=3, k1​=k and k2​=k in the Einstein-Gauss-Bonnet model with a Λ-term

Scale Factors of Homogeneous Anisotropic Cosmological Models with Perfect Fluid

Stable exponential cosmological solutions with three different Hubble-like parameters in EGB model with a Λ-term

On non-exponential cosmological solutions with two factor spaces of dimensions m and 1 in the Einstein-Gauss-Bonnet model with a Λ-term

Stable exponential cosmological solutions with three factor spaces in (1+3+3+k)-dimensional Einstein-Gauss-Bonnet model with a Λ-term

Examples of stable exponential cosmological solutions with three factor spaces in EGB model with a Λ-term

Stable exponential cosmological solutions with zero variation of G and three different Hubble-like parameters in the Einstein-Gauss-Bonnet model with a Λ-term

Stable exponential cosmological solutions with zero variation of G in the Einstein-Gauss-Bonnet model with a Lambda-term

On multidimensional solutions in the Einstein-Gauss-Bonnet model with a cosmological term

The Yilmaz-Rosen and Janis-Newman-Winicour metric solutions in the scalar-Einstein-Gauss-Bonnet $4 d$ gravitational model

Generalized Ellis-Bronnikov wormhole solution in the scalar-Einstein-Gauss-Bonnet $4 d$ gravitational model

The problem of reconstruction for static spherically-symmetric $4 D$ metrics in scalar-Einstein-Gauss-Bonnet model

Exact $(1 + 3 + 6)$ -dimensional cosmological-type solutions in gravitational model with Yang-Mills field, Gauss-Bonnet term and $Λ$ -term

Stable exponential cosmological type solutions with three factor spaces in EGB model with a $Λ$ -term

Stable exponential cosmological solutions with three factor spaces of dimensions $m = 3$ , $k_{1} = k$ and $k_{2} = k$ in the Einstein-Gauss-Bonnet model with a $Λ$ -term

Stable exponential cosmological solutions with three different Hubble-like parameters in EGB model with a $Λ$ -term

On non-exponential cosmological solutions with two factor spaces of dimensions $m$ and $1$ in the Einstein-Gauss-Bonnet model with a $Λ$ -term

Stable exponential cosmological solutions with three factor spaces in $(1 + 3 + 3 + k)$ -dimensional Einstein-Gauss-Bonnet model with a $Λ$ -term

Examples of stable exponential cosmological solutions with three factor spaces in EGB model with a $Λ$ -term

Stable exponential cosmological solutions with zero variation of $G$ and three different Hubble-like parameters in the Einstein-Gauss-Bonnet model with a $Λ$ -term