Relativistic models for anisotropic compact stars: A review

J Kumar, P Bharti - New Astronomy Reviews, 2022 - Elsevier
Abstract The Einstein–Maxwell (or Einstein) system of field equations plays a substantial
role in the modeling of compact stars. Although due to its non-linearity getting an exact …

Study of anisotropic strange stars in gravity: An embedding approach under the simplest linear functional of the matter-geometry coupling

SK Maurya, A Errehymy, D Deb, F Tello-Ortiz, M Daoud - Physical Review D, 2019 - APS
The present work is focused on the investigation of the existence of compact structures
describing anisotropic matter distributions within the framework of modified gravity theories …

Causes of irregular energy density in gravity

Z Yousaf, K Bamba, MZH Bhatti - Physical Review D, 2016 - APS
We investigate irregularity factors for a self-gravitating spherical star evolving in the
presence of an imperfect fluid. We explore the gravitational field equations and the …

General relativistic polytropes for anisotropic matter: The general formalism and applications

L Herrera, W Barreto - Physical Review D—Particles, Fields, Gravitation, and …, 2013 - APS
We set up in detail the general formalism to model polytropic general relativistic stars with
anisotropic pressure. We shall consider two different possible polytropic equations, all of …

[HTML][HTML] Stellar models with like-Tolman IV complexity factor

J Andrade, E Contreras - The European Physical Journal C, 2021 - Springer
In this work, we construct stellar models based on the complexity factor as a supplementary
condition which allows to close the system of differential equations arising from the …

[HTML][HTML] Quasi-homologous evolution of self-gravitating systems with vanishing complexity factor

L Herrera, AD Prisco, J Ospino - The European Physical Journal C, 2020 - Springer
We investigate the evolution of self-gravitating either dissipative or non-dissipative systems
satisfying the condition of minimal complexity, and whose areal radius velocity is …

Influence of modification of gravity on the dynamics of radiating spherical fluids

Z Yousaf, K Bamba, MZH Bhatti - Physical Review D, 2016 - APS
We explore the evolutionary behaviors of compact objects in a modified gravitational theory
with the help of structure scalars. Particularly, we consider the spherical geometry coupled …

[HTML][HTML] Non-trivial class of anisotropic compact stellar model in Rastall gravity

GGL Nashed, WE Hanafy - The European Physical Journal C, 2022 - Springer
We investigated Rastall gravity, for an anisotropic star with a static spherical symmetry,
whereas the matter-geometry coupling as assumed in Rastall Theory (RT) is expected to …

Gravitational cracking and complexity in the framework of gravitational decoupling

E Contreras, E Fuenmayor - Physical Review D, 2021 - APS
In this work we analyze the stability of self gravitating spheres in the context of gravitational
cracking. Besides exploring the role played by the anisotropy in the occurrence of cracking …

Electromagnetic effects on anisotropic expansion-free fluid content

Z Yousaf, H Asad, B Almutairi… - … in Theoretical Physics, 2023 - iopscience.iop.org
The major goal of this work is to find solutions of Einstein–Maxwell field equations for
anisotropic, expansion-free, non-static, spherically distributed matter content. The analytical …