100 citations · 1.8k across the 133 of their papers we have counts for
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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 \ne…
Fluxbrane polynomials and Melvin-like solutions for simple Lie algebras
S. V. Bolokhov, V. D. Ivashchuk
This review dealt with generalized Melvin solutions for simple finite-dimensional Lie algebras. Each solution appears in a model which includes a metric and scalar fields coupl…
On fluxbrane polynomials for generalized Melvin-like solutions associated with rank 5 Lie algebras
S. V. Bolokhov, V. D. Ivashchuk
We consider generalized Melvin-like solutions corresponding to Lie algebras of rank (, , , ). The solutions take place in -dimensional gravitational mode…
Regularization by -metric. II. Limit
V. D. Ivashchuk
In a wide class of propagators regularized by the -metric [1], the -operation is formulated. It is proved that the limit of renormalized Feynman integrals exists an…
On generalized Melvin solutions for Lie algebras of rank 4
S. V. Bolokhov, V. D. Ivashchuk
We deal with generalized Melvin-like solutions associated with Lie algebras of rank (, , , , ). Any solution has static cylindrically-symmetric metric…
Regularization by ε-metric
V. D. Ivashchuk
The regularization of propagators by means of a complex metric is considered. (The paper is an English translation of the first of two articles in Russian published by the author i…
On generalized Melvin solutions for Lie algebras of rank 3
S. V. Bolokhov, V. D. Ivashchuk
Generalized Melvin solutions for rank- Lie algebras , and are considered. Any solution contains metric, three Abelian 2-forms and three scalar fields. It is gov…
On flux integrals for generalized Melvin solution related to simple finite-dimensional Lie algebra
V. D. Ivashchuk
A generalized Melvin solution for an arbitrary simple finite-dimensional Lie algebra is considered. The solution contains a metric, Abelian 2-forms and scalar fiel…
On generalized Melvin solution for the Lie algebra
S. V. Bolokhov, V. D. Ivashchuk
A multidimensional generalization of Melvin's solution for an arbitrary simple Lie algebra is considered. The gravitational model in dimensions, , contains $…
On stability of exponential cosmological solutions with non-static volume factor in the Einstein-Gauss-Bonnet model
V. D. Ivashchuk
A (n+1)-dimensional gravitational model with Gauss-Bonnet term and cosmological constant term is considered. When ansatz with diagonal cosmological metrics is adopted, the solution…
Quantum billiards with branes on product of Einstein spaces
V. D. Ivashchuk
We consider a gravitational model in dimension D with several forms, l scalar fields and a Lambda-term. We study cosmological-type block-diagonal metrics defined on a product of an…
On supersymmetric M-brane configurations with R^{1,1}_{*}/Z_2 submanifold
V. D. Ivashchuk
We obtain new examples of partially supersymmetric M-brane solutions defined on products of Ricci-flat manifolds, which contain two-dimensional Lorentzian submanifold R^{1,1}_{*}/Z…
Black brane solutions governed by fluxbrane polynomials
V. D. Ivashchuk
A family of composite black brane solutions in the model with scalar fields and fields of forms is presented. The metric of any solution is defined on a manifold which contains a p…
Quantum billiards in multidimensional models with branes
V. D. Ivashchuk, V. N. Melnikov
Gravitational D-dimensional model with l scalar fields and several forms is considered. When cosmological type diagonal metric is chosen, an electromagnetic composite brane ansatz…
Triple M-brane configurations and preserved supersymmetries
A. A. Golubtsova, V. D. Ivashchuk
We investigate all standard triple composite M-brane intersections defined on products of Ricci-flat manifolds for preserving supersymmetries in eleven-dimensional N =1 supergravit…
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…
More M-branes on product of Ricci-flat manifolds
V. D. Ivashchuk
Partially supersymmetric intersecting (non-marginal) composite M-brane solutions defined on the product of Ricci-flat manifolds M_0 x M_1 x ... x M_n in D= 11 supergravity are cons…
Black brane solutions related to non-singular Kac-Moody algebras
V. D. Ivashchuk, V. N. Melnikov
A multidimensional gravitational model containing scalar fields and antisymmetric forms is considered. The manifold is chosen in the form M = M_0 x M_1 x ... x M_n, where M_i are E…
On cosmological-type solutions in multi-dimensional model with Gauss-Bonnet term
V. D. Ivashchuk
A (n + 1)-dimensional Einstein-Gauss-Bonnet (EGB) model is considered. For diagonal cosmological-type metrics, the equations of motion are reduced to a set of Lagrange equations. T…
Electric S-brane solutions corresponding to rank-2 Lie algebras: acceleration and small variation of G
V. D. Ivashchuk, S. A. Kononogov, V. N. Melnikov
Electric S-brane solutions with two non-composite electric branes and a set of l scalar fields are considered. The intersection rules for branes correspond to Lie algebras A_2, C_2…
On billiard approach in multidimensional cosmological models
V. D. Ivashchuk, V. N. Melnikov
A short overview of the billiard approach for cosmological-type models with n Einstein factor-spaces is presented. We start with the billiard representation for pseudo-Euclidean To…
On the "scattering law" for Kasner parameters appearing in asymptotics of an exact S-brane solution
V. D. Ivashchuk, V. N. Melnikov
A multidimensional cosmological model with scalar and form fields [1-4] is studied. An exact S-brane solution (either electric or magnetic) in a model with l scalar fields and one…
S-brane solutions with (anti-)self-dual parallel charge density form on a Ricci-flat submanifold
H. Dehnen, V. D. Ivashchuk, V. N. Melnikov
A D-dimensional cosmological model with several scalar fields and antisymmetric (p+2)-form is considered. For dimensions D = 4m+1 = 5, 9, 13, ... and p = 2m-1 = 1, 3, 5, ... we obt…
Non-singular solutions in multidimensional cosmology with a perfect fluid: acceleration and variation of G
V. D. Ivashchuk, S. A. Kononogov, V. N. Melnikov +1
Exact solutions with an exponential behaviour of the scale factors are considered in a multidimensional cosmological model describing the dynamics of n+1 Ricci-flat factor spaces M…