9 papers
Generalized pp-wave solutions on product of Ricci-flat spaces
V. D. Ivashchuk
A multidimensional gravitational model with several scalar fields and form fields is considered. A wide class of generalized pp-wave solutions defined on a product of n+1 Ricci-fla…
Photon Sphere for a Dilatonic Dyonic Black Hole in a Model with an Abelian Gauge Field and a Scalar Field
V. D. Ivashchuk, U. S. Kayumov, A. N. Malybayev +1
Dilatonic dyon black hole solution with gravitational radius and two charges and (electric and magnetic ones) in the gravitational model with one scalar fie…
On generalized black brane solutions in the model with multicomponent anisotropic fluid
V. D. Ivashchuk
A family of spherically -symmetric solutions in the model with -component anisotropic fluid is obtained. The metrics are defined on a manifold which contains a produ…
Dyon-like black hole solutions in the model with two Abelian gauge fields
M. E. Abishev, V. D. Ivashchuk, A. N. Malybayev +1
Dilatonic black hole dyon-like solutions in the gravitational model with a scalar field, two 2-forms, two dilatonic coupling constants , , obeying $λ_1 \…
Photon spheres near black holes in a model with anisotropic fluid
V. D. Ivashchuk, S. V. Bolokhov, F. B. Belissarova +4
The semi-review paper studies the null geodesics which appear for black hole solutions in the gravitational model with anisotropic fluid. The equations of state for the fluid…
The problem of reconstruction for static spherically-symmetric metrics in scalar-Einstein-Gauss-Bonnet model
K. K. Ernazarov, V. D. Ivashchuk
We consider the gravitational model with a scalar field , Einstein and Gauss-Bonnet terms. The action of the model contains a potential term , Gauss-Bonnet coupling…