Compact stars in gravity

A Das, F Rahaman, BK Guha, S Ray - The European Physical Journal C, 2016 - Springer
In the present paper we generate a set of solutions describing the interior of a compact star
under f (R, T) f (R, T) theory of gravity which admits conformal motion. An extension of …

Isotropization of embedding Class I spacetime and anisotropic system generated by complexity factor in the framework of gravitational decoupling

SK Maurya, M Govender, S Kaur, R Nag - The European Physical Journal …, 2022 - Springer
In this work, we present a hierarchical solution-generating technique employing the
Minimum Gravitational Decoupling (MGD) Method and the generalized concept of …

Radiating collapse with vanishing Weyl stresses

SD Maharaj, M Govender - International Journal of Modern Physics …, 2005 - World Scientific
In a recent approach in modeling a radiating relativistic star undergoing gravitational
collapse the role of the Weyl stresses was emphasized. It is possible to generate a model …

Thermal evolution of a radiating anisotropic star with shear

NF Naidu, M Govender, KS Govinder - International Journal of …, 2006 - World Scientific
We study the effects of pressure anisotropy and heat dissipation in a spherically symmetric
radiating star undergoing gravitational collapse. An exact solution of the Einstein field …

Relativistic charged stellar model of the Pant interior solution via gravitational decoupling and Karmarkar conditions

N Pant, S Gedela, S Ray, KG Sagar - Modern Physics Letters A, 2022 - World Scientific
This paper explores a new embedding anisotropic charged version of a solution to Einstein–
Maxwell field equations in four-dimensional spacetime through the Karmarkar conditions …

Impact of anisotropic stresses during dissipative gravitational collapse

KP Reddy, M Govender, SD Maharaj - General Relativity and Gravitation, 2015 - Springer
We employ a perturbative scheme to study the evolution of a spherically symmetric stellar
body undergoing gravitational collapse in the presence of heat dissipation and anisotropic …

Stability and horizon formation during dissipative collapse

NF Naidu, RS Bogadi, A Kaisavelu… - General Relativity and …, 2020 - Springer
We investigate the role played by density inhomogeneities and dissipation on the final
outcome of collapse of a self-gravitating sphere. By imposing a perturbative scheme on the …

Dynamical conditions and causal transport of dissipative spherical collapse in f (R, T) gravity

S Guha, U Ghosh - The European Physical Journal Plus, 2021 - Springer
In this paper, we have investigated the non-adiabatic spherical gravitational collapse in the
framework of the f (R, T) theory of gravity with a locally anisotropic fluid that undergoes …

The role of an equation of state in the dynamical (in) stability of a radiating star

M Govender, N Mewalal, S Hansraj - The European Physical Journal C, 2019 - Springer
The influence of an equation of state on the dynamical (in) stability of a sphere undergoing
dissipative collapse is investigated for various forms of matter distributions. Employing a …

Radiating relativistic matter in geodesic motion

S Thirukkanesh, SD Maharaj - Journal of mathematical physics, 2009 - pubs.aip.org
We study the gravitational behavior of a spherically symmetric radiating star when the fluid
particles are in geodesic motion. We transform the governing equation into a simpler form …