338 citations · 1.8k across the 76 of their papers we have counts for
76 papers
Teleparallel torsion and white dwarf structure in \(f(T)=T+ΞT^2\) gravity
Edson Otoniel, Jonathan A. Reboucas, Iarley P. Lobo
We investigate how quadratic torsion modifies the equilibrium structure of white dwarfs in covariant gravity. Static spherical configurations are calculated with a fi…
Exploring a phantom Dirac-Born-Infeld regular black hole via particle emission, wave scattering and geodesics
N. Heidari, A. A. Araújo Filho, Iarley P. Lobo +1
We examine particle creation, evaporation, scalar wave absorption and scattering, and geodesic motion in the asymptotically flat regular black hole supported by a phantom Dirac-Bor…
Modified electron dispersion relations in degenerate white dwarfs
Edson Otoniel, Iarley P. Lobo
We investigate how modified electron dispersion relations affect the structure of cold white dwarfs (WDs). The deformation is introduced only in the degenerate electron equation of…
Gravitational wave propagation in Hořava-Lifshitz gravity
A. A. Araújo Filho, J. L. A. Silva, N. Heidari +3
We investigate the generation and propagation of gravitational waves in the leading parity-even infrared truncation of Hořava-Lifshitz gravity, characterized by the modified tensor…
Gravitational Wave Signatures from Periodic Orbits around a Non--commutative Schwarzschild Black Hole
N. Heidari, A. A. Araújo Filho, I. P. Lobo +1
In this work, we investigate massive particle motion and the gravitational wave emission generated by periodic trajectories around a non--commutative \textit{Schwarzschild} black h…
Gravitational wave signatures and periodic orbits of a charged black hole in a Hernquist dark matter halo
N. Heidari, A. A. Araujo Filho, Iarley P. Lobo
In this work, we study the motion of massive test particles and the gravitational--wave emission associated with periodic trajectories around a magnetically charged black hole imme…
Gravitational waves in a minimal gravitational SME
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo
In this work, we investigate the generation and propagation of gravitational waves within a minimal gravitational SME (Standard Model Extension). Starting from the modified gravito…
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…
Quantum features of a non-commutative Schwarzschild black hole
A. A. Araújo Filho, I. P. Lobo, P. H. M. Barros +1
This work aims to present the quantum aspects of a non-commutative gauge gravity formulation of a Schwarzschild-like black hole constructed via the Moyal twist $\partial_t \wedge \…
Fermi Acceleration Mechanisms Beyond Lorentz Symmetry
Gilson A. Ferreira, Erick Aguiar, A. A. Araújo Filho +3
We construct models for first- and second-order Fermi acceleration of particles, incorporating generic frame transformations, dispersion relations, and conservation laws. Within th…
Comment on "Thermodynamic properties of Schwarzschild black hole in non-commutative gauge theory of gravity"
A. A. Araújo Filho, Iarley P. Lobo
A recent study [Annals Phys. 455 (2023) 169394, e-Print: 2204.01901 [gr-qc]] examined the thermodynamic behavior of an axially symmetric black hole within a non-commutative framewo…
Gravitational aspects of a new bumblebee black hole
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo +1
In this paper, we examine the physical consequences of a recently introduced black hole solution in bumblebee gravity [1]. The geometry is first presented and then reformulated thr…
LIV-Decoherence on Gravitational Cat States
Iarley P. Lobo, Kelvin Sampaio, Gislaine Varão +2
Inspired by approaches based on the stochastic generalized uncertainty principle, we propose a Lindblad equation derived from the quantization of a stochastic modified dispersion r…
Lorentz invariance violation in the extragalactic propagation of ultra-high energy photons and in the development of showers in the Earth crust and atmosphere
Denise Boncioli, Valdir Barbosa Bezerra, Matteo Giammarco +3
We investigate the effects of Lorentz invariance violation (LIV) on photon interactions, considering both intergalactic propagation (Breit-Wheeler process) and atmospheric interact…
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…
Black Hole Gravitational Phenomena in Higher-Order Curvature-Scalar Gravity
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo
This work aims to explore the gravitational consequences of a recently proposed black hole solution presented in the literature [Phys. Dark Univ. 50 (2025) 102061]. We initiate our…
A Non-Commutative Kalb-Ramond Black Hole
A. A. Araújo Filho, N. Heidari, Iarley P. Lobo
This work presents a new black hole solution within the framework of a non-commutative gauge theory applied to Kalb-Ramond gravity. Using the method recently proposed in the litera…
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…
Comment on "Quantum tunneling from Schwarzschild black hole in non-commutative gauge theory of gravity"
A. A. Araújo Filho, Iarley P. Lobo
The particle creation via quantum tunneling was recently calculated for the Schwarzschild non-commutative black hole solution in Ref. [Phys. Lett. B 848 (2024) 138335, e-Print: 231…
Coherence and Entanglement in a Non-commutative Spacetime
Iarley P. Lobo, Gislaine Varão, Giulia Gubitosi +2
We investigate the emergence of quantum coherence and quantum correlations in a two-particle system with deformed symmetries arising from the quantum nature of spacetime. We demons…
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…
Experimental Bounds on Deformed Muon Lifetime Dilation
Iarley P. Lobo, Christian Pfeifer, Pedro H. Morais
We analyze Planck scale induced modifications of the relativistic time dilation using data from the Muon Storage Ring experiment at CERN. By examining the lifetimes of muons, we es…
Fractional quantum mechanics meets quantum gravity phenomenology
Gislaine Varão, Iarley P. Lobo, Valdir B. Bezerra
This letter extends previous findings on the modified Schrödinger evolution inspired by quantum gravity phenomenology. By establishing a connection between this approach and fracti…