14 citations · 45 across the 21 of their papers we have counts for
21 papers
Distinguishing wormholes via Einstein rings and global curvature
M. B. Cruz, C. R. Muniz, R. M. P. Neves +1
In this work, we investigate the gravitational lensing properties of a static Ellis-Bronnikov wormhole embedded in a curved Friedmann-Lemaître-Robertson-Walker (FLRW) universe. By…
Traversable Casimir Wormholes with Gravitational Memory
Jonathan A. Rebouças, Francisco Bento Lustosa, Celio R. Muniz
We investigate a class of traversable wormhole geometries supported by an effective Casimir source corrected by gravitational memory. The construction is motivated by the fact that…
Geometrically Regular Black Object Solutions in Lower-Dimensional Gauss-Bonnet Gravity and Its Unimodular Extension
G. Alencar, T. M. Crispim, C. R. Muniz
We investigate the construction of regular compact objects in the recently proposed lower-dimensional Einstein--Gauss--Bonnet (EGB) gravity obtained through regularized dimensional…
Traversable Wormholes Supported by Entropy-Inspired Effective Matter Sectors
Jonathan A. Rebouças, Francisco Bento Lustosa, Celio R. Muniz
The thermodynamic interpretation of gravity suggests that modifications of horizon entropy can be encoded in effective geometries and matter distributions. Motivated by the entropy…
Field Sources for Dark Matter Black Holes
G. Alencar, C. R. Muniz, Francisco Tello-Ortiz
We investigate the field-theoretic realization of regular black holes sourced by dark matter halo profiles within nonlinear electrodynamics (NED) minimally coupled to gravity. Star…
Traversable double-throat wormholes in a string cloud background
Yvens Amaral, M. S. Cunha, C. R. Muniz +1
This work constructs a new class of traversable wormhole solutions with a double-throat topology, modeled as a localized perturbation of the Ellis-Bronnikov metric in a string clou…
New Improved Schwarzschild Black Hole and Its Thermodynamics and Topological Classification
G. Alencar, T. M. Crispim, C. R. Muniz +1
We construct a renormalization-group improved Schwarzschild-like black hole geometry using the exact new scheme running for the Newton coupling. The scale identification is impleme…
Regularized Black Hole Solution from a New String Cloud Source
C. R. Muniz, Jonathan Alves Rebouças, Leonardo Tavares de Oliveira +2
We construct a new family of regular black hole solutions supported by the novel Letelier-Alencar string cloud and regularized through a rational Dagum-type distribution. The regul…
Quantum improved wormholes in the Dekel-Zhao dark matter halo
Jonathan A. Rebouças, Celio R. Muniz, Francisco Bento Lustosa +1
This work presents and investigates novel traversable wormhole solutions within the framework of Asymptotically Safe Gravity (ASG), sourced by a dark matter halo modeled by the Dek…
Einstein-Yang-Mills Regular Black Holes in Rainbow Gravity
Célio R. Muniz, Francisco Bento Lustosa, Takol Tangphati
In this work, we investigate regular black hole solutions in nonminimal Einstein-Yang-Mills theory modified by Rainbow Gravity, focusing on the impact of quantum gravity effects on…
Hot Casimir wormholes in Einstein-Gauss-Bonnet gravity
C. R. Muniz, M. B. Cruz, R. M. P. Neves +2
In this work, we explore the thermal effects on Casimir wormholes in the context of higher-dimensional Einstein-Gauss-Bonnet gravity. Motivated by the fundamental role of EGB gravi…
Field Sources for Wormholes With Multiple Throats/Anti-throats
T. M. Crispim, Marcos V. de S. Silva, G. Alencar +2
In this work, we investigate wormhole geometries with multiple throats and anti-throats in general relativity. The existence of these structures is identified through the analysis…
Traversable Wormholes Sourced by Dark Matter in Loop Quantum Cosmology
Marcos V. de S. Silva, G. Alencar, R. N. Costa Filho +2
In this work, we investigate the existence of wormholes within the framework of Loop Quantum Cosmology, using isotropic dark matter as the source. We analyze three distinct density…
Field Sources for Generalized Ellis-Bronnikov Wormhole
T. M. Crispim, G. Alencar, C. R. Muniz
The so-called generalized Ellis-Bronnikov wormhole is a modification of the standard Ellis-Bronnikov solution, in which a parameter is introduced-recovering the original Elli…
Braneworld Black Bounce to Transversable Wormhole Analytically Connected to an asymptotically Boundary
T. M. Crispim, G. Alencar, Milko Estrada
We extend the recent approach from reference [1] to obtain complete and analytic solutions (both brane and bulk) of a Simpson-Visser (SV) geometry within a braneworld framework. Th…
Casimir Wormholes with GUP Correction in the Loop Quantum Cosmology
Celio R. Muniz, Takol Tangphati, R. M. P. Neves +1
In this paper, we obtain novel traversable, static, and spherically symmetric wormhole solutions, derived from the effective energy density and isotropic pressure resulting from th…
Braneworld Black Bounce to Transversable Wormhole
Tiago M. Crispim, Milko Estrada, C. R. Muniz +1
We provide a way for embedding a 4-dimensional geometry corresponding to the Simpson Visser (SV) spacetime which is capable of representing a traversable wormhole, a one-way wormho…
Probing the Solar System for Dark Matter Using the Sagnac Effect
A. D. S. Souza, C. R. Muniz, R. M. P. Neves +1
This study investigates the potential of the Sagnac Effect for detecting dark matter in the Solar System, particularly within the Sun. Originating from the relative delay and inter…
Traversable Wormholes from Loop Quantum Gravity
M. B. Cruz, R. M. P. Neves, Celio R. Muniz
This study introduces and investigates Lorentzian traversable wormhole solutions rooted in Loop Quantum Gravity (LQG). The static and spherically symmetric solutions to be examined…
New models of d-dimensional black holes without inner horizon and with an integrable singularity
Milko Estrada, G. Alencar, Tiago M. Crispim +1
Theoretically, it has been proposed that objects traveling radially along regular black holes (RBHs) would not be destroyed because of finite tidal forces and the absence of a sing…
Traversable wormholes in Rastall-Rainbow Gravity
Takol Tangphati, C. R. Muniz, Anirudh Pradhan +1
In this paper, we investigate the existence of asymptotically flat wormhole geometries within the framework of Rastall-Rainbow modified gravity, a synthesis of two distinct theoret…