Collapsing shear-free perfect fluid spheres with heat flow

BV Ivanov - General Relativity and Gravitation, 2012 - Springer
A global view is given upon the study of collapsing shear-free perfect fluid spheres with heat
flow. We apply a compact formalism, which simplifies the isotropy condition and the …

Dissipative collapse of a Karmarkar star

M Govender, A Maharaj, KN Singh… - Modern Physics Letters …, 2020 - World Scientific
In this paper, we employ the Karmarkar condition to model a spherically symmetric radiating
star undergoing dissipative gravitational collapse within the framework of classical general …

Axially and reflection symmetric systems and structure scalars in f (R, T) gravity

Z Yousaf, MZ Bhatti, U Farwa - Annals of Physics, 2021 - Elsevier
This manuscript is devoted to a general study on axial and reflection-symmetric self-
gravitating sources in the background of f (R, T) gravity, where T represents the trace of …

Radiating star with a time-dependent Karmarkar condition

NF Naidu, M Govender, SD Maharaj - The European Physical Journal C, 2018 - Springer
In this paper we employ the Karmarkar condition (Proc Indian Acad Sci A 27: 56, 1948) to
model a spherically symmetric radiating star undergoing dissipative gravitational collapse in …

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 …

Junction conditions for composite matter in higher dimensions

SD Maharaj, BP Brassel - Classical and Quantum Gravity, 2021 - iopscience.iop.org
We derive the junction conditions for a general higher dimensional spherically symmetric
radiating star across a comoving surface with an electromagnetic field. The charged …

Study of gravitational collapse for anisotropic Karmarkar star in minimally coupled f (R) gravity

H Nazar, G Abbas - Chinese Journal of Physics, 2022 - Elsevier
The current study investigates a class of an exact analytical solutions of shear-free and
spherically symmetric gravitational collapse of Karmarkar star in the minimally coupled f (R) …

Nonlinear shear‐free radiative collapse

SS Misthry, SD Maharaj… - Mathematical Methods in …, 2008 - Wiley Online Library
We study realistic models of relativistic radiating stars undergoing gravitational collapse
which have vanishing Weyl tensor components. Previous investigations are generalized by …

Non-adiabatic gravitational collapse in gravity with Karmarkar condition for anisotropic fluid

R Ahmed, G Abbas - Modern Physics Letters A, 2020 - World Scientific
In this paper, we have used the Karmarkar condition to the spherically symmetric non-static
radiating star experiencing dissipative gravitational collapse with a heat flux in the …

Stellar shear-free gravitational collapse with Karmarkar condition in gravity

G Abbas, H Nazar - International Journal of Modern Physics A, 2019 - World Scientific
This work has investigated the outcomes of spherically symmetric radiating dissipative
gravitational collapse model with anisotropic heat conducting matter distribution by imposing …