From the 2 of 8 papers with an AI index.
12 citations
- Universidade Federal FluminenseBR2 papers
- Federal Center for Technological Education of Minas GeraisBR1 paper
- Hospital Universitário Antônio PedroBR1 paper
- Khazar UniversityAZ1 paper
- Shandong Normal UniversityCN1 paper
- Southwest Bahia State UniversityBR1 paper
- Universidade Estadual da Região Tocantina do MaranhãoBR1 paper
- Universidade Federal da ParaíbaBR1 paper
- Universidade Federal de Campina GrandeBR1 paper
- Universidade Federal de Mato GrossoBR1 paper
- Universidade Federal de Santa CatarinaBR1 paper
- Universidade Federal do ParáBR1 paper
8 papers
Two shadows of a single black hole: Vacuum birefringence phenomena within Einstein-nonlinear-electrodynamics
Marco A. A. de Paula, Haroldo C. D. Lima, Pedro V. P. Cunha +2
The paper investigates photon propagation in black holes sourced by a nonlinear electrodynamics model, showing that vacuum birefringence leads to two distinct photon trajectories a…
Gauge-covariant Raychaudhuri dynamics for spin-nondegenerate Lorentz-violating congruences
A. A. Araújo Filho, A. F. Santos, J. A. A. S. Reis +2
The paper derives a gauge‑covariant form of the Raychaudhuri equation for charged particle congruences with Lorentz‑violating dispersion relations, showing how electromagnetic fiel…
Scalar and vector bosons in a Bonnor-Melvin- spacetime: an exact Duffin-Kemmer-Petiau analysis
Francisco A. Cruz Neto, Luis B. Castro
We study scalar and vector bosons in the Bonnor--Melvin-- spacetime within the Duffin--Kemmer--Petiau (DKP) formalism. By employing Umezawa's projection operators, we separate…
Exponentially accelerated relaxation and quantum Mpemba effect in open quantum systems
Emerson Lima Caldas, Diego Paiva Pires
We investigate the quantum Mpemba effect in the relaxation of open quantum systems whose effective dynamics is described by Davies maps. We introduce a class of unitary transformat…
Non-minimal matter sector couplings in Lorentz-violating gravity: Self-consistent traversable wormholes and quasinormal modes
Renan B. Magalhães, Leandro A. Lessa, Rodolfo Casana
The anisotropies induced by Lorentz-violating fields pose significant challenges for the search for compact objects in non-vacuum environments. In this work, nevertheless, we demon…
An Approach for Thyroid Nodule Analysis Using Thermographic Images
J. R. González, Ã. O. Rodrigues, C. P. Damião +6
Thyroid cancer is said to be the second most common type of cancer in female individuals and the third in males by 2030, according to projections. In general, detecting cancer in i…