Stability of the isotropic pressure condition

L Herrera - Physical Review D, 2020 - APS
We investigate the conditions for the (in) stability of the isotropic pressure condition in
collapsing spherically symmetric, dissipative fluid distributions. It is found that dissipative …

Spherically symmetric generating solutions in f(R) theory

SA Mardan, UF Moeed, I Noureen, A Malik - The European Physical …, 2023 - Springer
The main objective of this work, is to develop a novel general framework for generating
solutions of stellar models in f (R) theory of gravity with class one metric. Such framework is …

A study of anisotropic spheres in modified gravity via embedding approach

A Ashraf, Z Zhang, A Ditta, G Mustafa - Annals of Physics, 2020 - Elsevier
The motivation of this paper is based on the foundation of extended teleparallel gravity with
matter coupling to prospect the accelerated expansion of the Universe. This theory based on …

Class I polytropes for anisotropic matter

A Ramos, C Arias, E Fuenmayor… - The European Physical …, 2021 - Springer
In this work we study class I interior solutions supported by anisotropic polytropes. The
generalized Lane–Emden equation compatible with the embedding condition is obtained …

Integration of the Lane–Emden equation for relativistic anisotropic polytropes through gravitational decoupling: a novel approach

D Santana, E Fuenmayor, E Contreras - The European Physical Journal C, 2022 - Springer
In this work we propose a novel approach to integrate the Lane–Emden equations for
relativistic anisotropic polytropes. We take advantage of the fact that Gravitational …

Isotropic perfect fluids in modified gravity

S Naicker, SD Maharaj, BP Brassel - Universe, 2023 - mdpi.com
We generate the Einstein–Gauss–Bonnet field equations in higher dimensions for a
spherically symmetric static spacetime. The matter distribution is a neutral fluid with isotropic …

Stellar modeling with the Einstein-Maxwell field equations via gravitational decoupling

N Pant, S Gedela, RK Bisht - Chinese Journal of Physics, 2021 - Elsevier
The aim of the present paper is to find an exact anisotropic and charged version of the well-
known Heintzmann interior solution [Z. Phys. 228 (1969) 489] in a space-time via the …

Anisotropic models for compact star with various equation of state

RN Nasheeha, S Thirukkanesh, FC Ragel - The European Physical …, 2021 - Springer
We model anisotropic compact stars by solving Einstein field equation with a generalized
form of equation of state (EoS) and a physically reasonable metric potential g_ rr g rr which …

Toy models of compact anisotropic stars and their Love numbers

BK Parida, S Das, M Govender - International Journal of Modern …, 2023 - World Scientific
In this paper, we investigate the influence of tidal Love numbers on the equation-of-state
(EoS) governing the interior matter distribution of a compact star within the framework of …

[HTML][HTML] Generating solutions for charged stellar models in general relativity

BV Ivanov - The European Physical Journal C, 2021 - Springer
It is shown that the expressions for the tangential pressure, the anisotropy factor and the
radial pressure in the Einstein–Maxwell equations may serve as generating functions for …