38 citations · 210 across the 19 of their papers we have counts for
19 papers
Regular Black Holes in General Relativity from Nonlinear Electrodynamics with de Sitter Cores
A. A. Araújo Filho, Ednaldo L. B. Junior, José Tarciso S. S. Junior +6
We present new regular black hole solutions in general relativity (GR) within a static, spherically symmetric framework governed by a variable equation of state, following the appr…
Propagation effects of Lorentz violation in gravitational waves
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo
We investigate the propagation of gravitational waves in the presence of Lorentz- and diffeomorphism-violating operators within the linearized gravitational sector of the Standard…
Particle production, absorption, scattering, and geodesics in a Schwarzschild-Hernquist black hole
N. Heidari, A. A. Araújo Filho, P. H. M. Barros
We investigate quantum and classical signatures of a Schwarzschild black hole embedded in a Hernquist dark matter halo. Starting from the exact spherically symmetric solution descr…
The Flight of the Bumblebee in a Non-Commutative Geometry: A New Black Hole Solution
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo +2
This paper investigates a new black hole solution within the framework of bumblebee gravity, incorporating non-commutative corrections parameterized by and implemented through…
Optical Phenomena in a Non-Commutative Kalb-Ramond Black Hole Spacetime
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo +1
This work investigates additional gravitational features of a newly proposed black hole spacetime within Kalb-Ramond gravity, incorporating non-commutative corrections arising from…
Gravitational signatures of a nonlinear electrodynamics in gravity
A. A. Araújo Filho, N. Heidari, I. P. Lobo +1
In this work, we investigate a nonlinear electrodynamics model within the framework of gravity. We begin by outlining the general features of the theory and analyzing the…
Influence of a Kalb-Ramond black hole on neutrino behavior
Yuxuan Shi, A. A. Araújo Filho
In this work, we investigate the consequences of Lorentz symmetry breaking induced by a black hole solution within Kalb-Ramond gravity on neutrino dynamics. The analysis is structu…
Neutrino dynamics in a non-commutative spacetime
A. A. Araújo Filho, N. Heidari, Yuxuan Shi
We investigate neutrino dynamics in a spherically symmetric non-commutative black hole spacetime generated by a Lorentzian smeared matter distribution. We work with the leading-ord…
Non-commutativity in Hayward spacetime
N. Heidari, A. A. Araújo Filho, Iarley P. Lobo
In this work, we propose a new black hole solution, namely, a Hayward-like metric incorporating corrections due to non-commutativity by taking into account $\partial_r\wedge\partia…
Particle production induced by a Lorentzian non-commutative spacetime
A. A. Araújo Filho
In this paper, we examine particle production, evaporation, and greybody factors for a Lorentzian non-commutative black hole. We begin by analyzing particle creation for bosons, co…
How does non-metricity affect particle creation and evaporation in bumblebee gravity?
A. A. Araújo Filho
In this work, we analyze the impact of non-metricity on particle creation and the evaporation process of black holes within the framework of bumblebee gravity. In general lines, we…
Geodesics, accretion disk, gravitational lensing, time delay, and effects on neutrinos induced by a non-commutative black hole
A. A. Araújo Filho, N. Heidari, Ali Övgün
This paper explores gravitational phenomena associated with a non-commutative black hole. Geodesic equations are derived, and a thin accretion disk is analyzed to model the black h…
Signatures of a de Sitter-core black hole in ringing, transmission and optical appearance
N. Heidari, A. A. Araújo Filho, V. Vertogradov and +1
We investigate a static, asymptotically flat black hole whose central region approaches a de Sitter vacuum. The geometry is controlled by the ADM mass and a core scale , a…
Particle creation and evaporation in Kalb-Ramond gravity
A. A. Araújo Filho
In this work, we examine particle creation and the evaporation process in the context of Kalb-Ramond gravity. Specifically, we build upon two existing solutions from the literature…
Properties of an axisymmetric Lorentzian non-commutative black hole
A. A. Araújo Filho, J. R. Nascimento, A. Yu. Petrov +2
In this work, we start by examining a spherically symmetric black hole within the framework of non-commutative geometry and apply a modified Newman-Janis method to obtain a new rot…
Scattering effects of bumblebee gravity in metric affine formalism
N. Heidari, Caio F. B. Macedo, A. A. Araújo Filho +1
In this work, we explore a Schwarzschild-like black hole within the framework of metric--affine bumblebee gravity. First, we investigate the behavior of the Kretschmann scalar and…
Effects of non-commutative geometry on black hole properties
A. A. Araújo Filho, J. R. Nascimento, A. Yu. Petrov +2
In this study, we investigate the signatures of a non-commutative black hole solution. Initially, we calculate the thermodynamic properties of the system, including entropy, heat c…
Antisymmetric tensor influence on charged black hole lensing phenomena and time delay
A. A. Araújo Filho
In this work, we investigate the gravitational lensing of a charged black hole (spherically symmetric) within the context of Lorentz violation triggered by an antisymmetric tensor…
Strain effects on the electronic properties of a graphene wormhole
J. E. G. Silva, Ö. Yeşiltaş, J. Furtado +1
In this work, we explore the strain and curvature effects on the electronic properties of a curved graphene structure, called the graphene wormhole. The electron dynamics is descri…