Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Joint Institute for Nuclear ResearchRU2.4k papers
- Institute for Theoretical and Experimental PhysicsRU2.1k papers
- Institute for High Energy PhysicsES2.1k papers
- The Ohio State UniversityUS2.1k papers
- Centre National de la Recherche ScientifiqueFR2.1k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2k papers
- European Organization for Nuclear ResearchCH1.8k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1.8k papers
- Petersburg Nuclear Physics InstituteRU1.8k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT1.8k papers
- National and Kapodistrian University of AthensGR1.8k papers
- Charles UniversityCZ1.7k papers
210 papers · 1 filter
Weak Cosmic Censorship in Einstein-Born-Infeld Black Hole: A Parameter-Space Analysis
M. L. Peñafiel, F. T. Falciano, J. C. Fabris
Einstein-Born-Infeld is a charged black hole solution of general relativity with Born-Infeld nonlinear electrodynamics, which has interesting physical features. It violates Bekenst…
Photon sphere for a dyonic black hole corresponding to Toda chain
Vladimir D. Ivashchuk, Evgeny E. Trubach
We consider a dilatonic dyon black hole solution with a gravitational radius of and two charges, (electric) and (magnetic), within the framework of a four-dimensi…
Multidimensional arrow of time
Sergey G. Rubin
This paper investigates the influence of extra dimensions on the nature of the arrow of time. We demonstrate that the observed arrow of time can be explained by the monotonic growt…
Inflation and Primordial Perturbations in Fractal Cosmology
Aarav Shah, Paulo Moniz, Maxim Khlopov +2
We study inflationary dynamics within the framework of fractal cosmology, where space is characterized by an effective non-integer dimension . In our work, fractal effects are s…
Sources of matter for wormholes in a k-essence theory
Marcos V. de S. Silva, Carlos F. S. Pereira, Bruna Bragato +3
In this work, we analyze some matter sources associated with wormhole models within a k-essence theory coupled to the gravitational sector through a phantom scalar field. We adopt…
Cosmology in the De Donder-Weyl Formulation of Einstein-Cartan Gravity
Aarav Shah, M. Yu. Khlopov, M. Krasnov
We investigate torsion-driven cosmological dynamics within the framework of Einstein-Cartan gravity using the De Donder-Weyl Hamiltonian formalism, where the tetrad and Lorentz con…
Formation and evolution of a 2-brane structure in multidimensional gravity
Kirill A. Bronnikov, Arkady A. Popov, Sergey G. Rubin
It has been previously shown that multidimensional gravity {can lead} to a two-brane structure. In this paper, we analyze such a model with a spatially flat 4D de Sitter (dS…
Stability ranges of magnetic black holes and mirror (topological) stars in 5D gravity
Kirill A. Bronnikov, Sergei V. Bolokhov, Milena V. Skvortsova
We discuss static, spherically symmetric solutions to the 5D Einstein-Maxwell equations (belonging to wide classes of multidimensional solutions known at least from the 1990s) and…
Interaction of domain walls with scalar particles in the early Universe
D. P. Filippov, A. A. Kirillov
The formation of solitons (such as closed domain walls) in the super-Early Universe is predicted in a number of theories of the formation of primordial black holes. However, the in…
Black-bounce solutions in a k-essence theory under the effects of bumblebee gravity
Carlos F. S. Pereira, Marcos V. de S. Silva, H. Belich +3
In the present study, we analyze the effects of violation of Lorentz symmetry for black-bounce solutions in a -essence theory that has the form of a power law for the configurat…
Rips and regular future scenario with Holographic Dark Energy: A comprehensive look
I. Brevik, Maxim Khlopov, S. D. Odintsov +2
Interest on the possible future scenarios the universe could have has grew substantially with breakthroughs on late-time acceleration. Holographic dark energy (HDE) presents a very…
Orbital precession and other properties of two-body motion in the presence of dark energy
Gennady S. Bisnovatyi-Kogan, Marco Merafina
We consider the Kepler two-body problem in the presence of a cosmological constant Lambda. Several dimensionless parameters characterizing the possible orbit typologies are used to…
Stochastic gravitational wave background due to core collapse resulting in neutron stars
Sourav Roy Chowdhury, Maxim Khlopov
The stochastic background of gravitational wave signals arising from the core-collapse supernovae is produced through various complex mechanisms that need detailed and careful inve…
Magnetically charged black-bounce solution via nonlinear electrodynamics in a k-essence theory
Carlos F. S. Pereira, Denis C. Rodrigues, Marcos V. de S. Silva +3
In the present work, we obtain and analyze a new class of analytical solutions of magnetically charged black bounces in k-essence theory, spherically symmetric in (3+1)-dimensions,…
Spontaneous branes formation
Arkadiy A. Popov, Sergey G. Rubin
This paper presents a study of brane formation in six-dimensional space. There is no a priori assumption of the brane(s) existence. However, the analysis of the generalized Einstei…
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…
Thermodynamics of a Non-canonical gravity
Arijit Panda, Goutam Manna, Saibal Ray +2
This work comprises a study of the thermodynamic behavior of modified gravity, which had been developed based on a non-canonical theory known as K-essence theo…
Neural Network Analysis of S2-Star Dynamics: Extended mass
N. Galikyan, Sh. Khlghatyan, A. A. Kocharyan +1
Physics-informed neural network (PINN) analysis of the dynamics of S-stars in the vicinity of the supermassive black hole in the Galactic center is performed within General Relativ…
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…
Tsallis holographic dark energy with power law ansatz approach
Oem Trivedi, Maxim Khlopov, Alexander V. Timoshkin
Holographic principles have proven to be a very interesting approach towards dealing with the issues of the late-time acceleration of the universe, which has resulted in a great am…
On rips and cosmological singularities in a universe merging with baby universes
Oem Trivedi, Maxim Khlopov
Understanding the late-time acceleration of the universe and its subtleties is one of the biggest mysteries in cosmology. A lot of different approaches have been put forward to dea…
Geodesic structure of generalized Vaidya spacetime through the K-essence
Bivash Majumder, Maxim Khlopov, Saibal Ray +1
This article investigates on the radial and non-radial geodesic structures of the generalized K-essence Vaidya spacetime. Within the framework of K-essence geometry, it is importan…
Cosmological singularities in gravity
Oem Trivedi, Maxim Khlopov, Jackson Levi Said +1
The pursuit of understanding the mysteries surrounding dark energy has sparked significant interest within the field of cosmology. While conventional approaches, such as the cosmol…
Generalized models for black-bounce solutions in Gravity
Júlio C. Fabris, Ednaldo L. B. Junior, Manuel E. Rodrigues
In this article, the implementation of black-bounce solutions in theories is investigated. Black-bounce solutions are regular configurations of the static spherically symmet…