Analysis of Hawking Evaporation, Shadows, and Thermodynamic Geometry of Black Holes within the Einstein SU (N) Non-Linear Sigma Model

S Chaudhary, MD Sultan, A Ashraf, YM Alanazi… - Journal of High Energy …, 2025 - Elsevier
We explore the intriguing properties of black holes in the Einstein SU (N) non-linear sigma
model with a focus on stability, thermodynamic geometry, the Hawking evaporation process …

Gravastars in strong-gravity and antigravity theories

AT Shafeek, MA Bakry, GM Moatimid - Pramana, 2023 - Springer
The aim of this manuscript is to investigate the gravastar model using the f (R, Σ, T) strong-
gravity and anti-gravity theories, which is posited as a substitute for black holes. The …

Charged gravastar in f (R, Σ, T)-gravity

MA Bakry, GM Moatimid, AT Shafeek - Modern Physics Letters A, 2024 - World Scientific
This paper delves into the impact of electromagnetic fields on isotropic spherical charged
gravastar (CGS) systems within the framework of f (R, Σ, T) gravity. The investigation focuses …

Incorporating holographic dark energy in the big rip cosmological model with

MA Bakry, A Alkaoud - Indian Journal of Physics, 2024 - Springer
The primary objective of this research is to investigate the behavior of the universe model in
the presence of matter and holographic dark energy in f (R, Σ, T)-G ravity. The study utilizes f …