880 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Peoples' Friendship University of RussiaRU147 papers
- National Research Nuclear University MEPhIRU56 papers
- Universidade Federal do Espírito SantoBR13 papers
- All-Russian Scientific Research Institute of Butter and Cheese MakingRU7 papers
- Kurchatov InstituteRU7 papers
- V. N. Karazin Kharkiv National UniversityUA7 papers
- Kazan Federal UniversityRU6 papers
- Al-Farabi Kazakh National UniversityKZ5 papers
- Ewha Womans UniversityKR5 papers
- P.L. Kapitza Institute for Physical ProblemsRU5 papers
- Moscow Institute of Physics and TechnologyRU4 papers
- University of KonstanzDE4 papers
140 papers · 1 filter
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 fiel…
On the stability of electrovacuum space-times in scalar-tensor gravity
Kirill A. Bronnikov, Sergei V. Bolokhov, Milena V. Skvortsova +2
We study the behavior of static, spherically symmetric solutions to the field equations of scalar-tensor theories (STT) of gravity belonging to the Bergmann-Wagoner-Nordtvedt class…
On black bounce space-times in non-linear electrodynamics
G. Alencar, Kirill A. Bronnikov, Manuel E. Rodrigues +2
One of the main issues in gravitation is the presence of singularities in the most common space-time solutions of General Relativity, as the case of black holes. A way of construct…
On the stability of spherically symmetric space-times in scalar-tensor gravity
Kirill A. Bronnikov, Sergei V. Bolokhov, Milena V. Skvortsova +2
We study the linear stability of vacuum static, spherically symmetric solutions to the gravitational field equations of the Bergmann-Wagoner-Nordtvedt class of scalar-tensor theori…
Overtones' outburst and Hawking evaporation of Kazakov-Solodukhin quantum corrected black hole
S. V. Bolokhov, K. A. Bronnikov, R. A. Konoplya
The Kazakov-Solodukhin black hole metric represents a spherically symmetric deformation of the Schwarzschild solution due to quantum-gravity corrections. Assuming the absence of no…
Circular geodesics in the field of double-charged dilatonic black holes
Kuantay Boshkayev, Gulnara Suliyeva, Vladimir Ivashchuk +1
A non-extreme dilatonic charged (by two ``color electric'' charges) black hole solution is examined within a four-dimensional gravity model that incorporates two scalar (dilaton) f…
Cylindrical black bounces and their field sources
Kirill A. Bronnikov, Manuel E. Rodrigues, Marcos V. de S. Silva
We apply the Simpson-Visser phenomenological regularization method to a cylindrically symmetric solution of the Einstein-Maxwell equations known as an inverted black hole. In addit…
Exact -dimensional cosmological-type solutions in gravitational model with Yang-Mills field, Gauss-Bonnet term and -term
V. D. Ivashchuk, K. K. Ernazarov, A. A. Kobtsev
We consider -dimensional gravitational model with Yang-Mills field, Gauss-Bonnet term and -term. We study so-called cosmological type solutions defined on product ma…
Arbitrary static, spherically symmetric space-times as solutions of scalar-tensor gravity
Kirill A. Bronnikov, Kodir Badalov, Rustam Ibadov
It is shown that an arbitrary static, spherically symmetric metric can be presented as an exact solution of a scalar-tensor theory (STT) of gravity with certain nonminimal coupling…
Gravity assist as a test of relativistic gravity
S. V. Bolokhov, K. A. Bronnikov, M. V. Skvortsova
We consider the gravity assist maneuver, that is, a correction of spacecraft motion at its passing near a planet, as a tool for evaluating the Eddington post-Newtonian parameters $…
On black bounces, wormholes and partly phantom scalar fields
K. A. Bronnikov
Simpson and Visser recently proposed a phenomenological way to avoid some kinds of space-time singularities by replacing a parameter whose zero value corresponds to a singularity (…
On quasinormal modes in 4D black hole solutions in the model with anisotropic fluid
S. V. Bolokhov, V. D. Ivashchuk
We consider a family of 4-dimensional black hole solutions from Dehnen et al. ( Grav. Cosmol. 9:153, arXiv: gr-qc/0211049, 2003) governed by natural number , wh…
Field sources for Simpson-Visser space-times
Kirill A. Bronnikov, Rahul Kumar Walia
Simpson-Visser (SV) space-times are the simplest globally regular modifications of the Schwarzschild, Reissner-Nordstrom and other blak-hole solutions of general relativity. They s…
Spherically symmetric space-times in generalized hybrid metric-Palatini gravity
K. A. Bronnikov, S. V. Bolokhov, M. V. Skvortsova
We discuss vacuum static, spherically symmetric asymptotically flat solutions of the generalized hybrid metric-Palatini theory of gravity (generalized HMPG) suggested by Böhmer and…
Some unusual wormholes in general relativity
K. A. Bronnikov
In this short review we present some recently obtained traversable wormhole models in the framework of general relativity (GR) in four and six dimensions that somehow widen our com…
A note on "Traversable wormholes in Einstein-Dirac-Maxwell theory"
Sergey Bolokhov, Kirill Bronnikov, Serguey Krasnikov +1
In their Letter [Phys. Rev. Lett. 126, 101102 (2021); arXiv: 2010.07317], J.L. Blázquez-Salcedo, C. Knoll and E. Radu have constructed a very interesting class of wormhole solution…
Quasinormal modes in the field of a dyon-like dilatonic black hole
A. N. Malybayev, K. A. Boshkayev, V. D. Ivashchuk
Quasinormal modes of massless test scalar field in the background of gravitational field for a non-extremal dilatonic dyonic black hole are explored. The dyon-like black hole solut…
The simplest wormhole in Rastall and k-essence theories
Kirill A. Bronnikov, Vinícius A. G. Barcellos, Laura P. de Carvalh +1
The geometry of the Ellis-Bronnikov wormhole is implemented in the Rastall and k-essence theories of gravity with a self-interacting scalar field. The form of the scalar field pote…
General parametrization of wormhole spacetimes and its application to shadows and quasinormal modes
Kirill A. Bronnikov, Roman A. Konoplya, Thomas D. Pappas
The general parametrization for spacetimes of spherically symmetric Lorentzian, traversable wormholes in an arbitrary metric theory of gravity is presented. The parametrization is…
Rastall's theory of gravity: Spherically symmetric solutions and the stability problem
K. A. Bronnikov, Júlio C. Fabris, Oliver F. Piattella +2
We study the stability of static, spherically symmetric solutions of Rastall's theory in the presence of a scalar field with respect to spherically symmetric perturbations. It is s…
Hybrid metric-Palatini gravity: black holes, wormholes, singularities and instabilities
K. A. Bronnikov, S. V. Bolokhov, M. V. Skvortsova
The hybrid metric-Palatini theory of gravity (HMPG), proposed in 2012 by T. Harko et al., is known to successfully describe both local (solar-system) and cosmological observations.…
On variations of in the geometric scalar theory of gravity
K. A. Bronnikov
We analyze the possible variability of the effective Newtonian gravitational constant in space and time in the framework of the geometric scalar theory of gravity sugge…
Inhomogeneous compact extra dimensions and de Sitter cosmology
Kirill A. Bronnikov, Arkady A. Popov, Sergey G. Rubin
In the framework of multidimensional gravity, we study the metrics of compact extra dimensions assuming that our 4D space has the de Sitter metric. Manifolds described by su…
Echoes in brane worlds: ringing at a black hole--wormhole transition
Kirill A. Bronnikov, Roman A. Konoplya
Echoes are known as modifications of the usual quasinormal ringing of a black hole at late times because of the deviation of space-time from the initial black-hole geometry in a sm…