Eur. Phys. J. Plus (2018) 133: 345
https://doi.org/10.1140/epjp/i2018-12178-7

Regular Article

Study of charged spherical collapse in gravity

Department of Mathematics, University of the Punjab, Quaid-e-Azam Campus, 54590, Lahore, Pakistan

^* e-mail: msharif.math@pu.edu.pk

Received: 12 June 2018
Accepted: 9 July 2018
Published online: 31 August 2018

Abstract

This paper deals with the dynamics of charged spherical perfect fluid collapse in the framework of gravity. We formulate dynamical equations through the Misner-Sharp formalism and investigate the effects of correction terms, fluid parameters as well as electromagnetic field on the collapse rate. We also construct a relationship among Weyl scalar, correction terms, electric field intensity and energy density. For zero electric charge and constant , it is found that if the metric is conformally flat then energy density is homogeneous and vice versa. We conclude that the electric charge and positive correction terms behave as anti-gravitational force and hence diminish the collapse rate.