Spherical Symmetric Gravitational Collapse in Chern-Simon Modified Gravity

Abstract

This paper is devoted to investigate the gravitational perfect fluid collapse in the framework of Chern-Simon modified gravity. For this purpose, we assume the spherically symmetric metric as an interior region and the Schwarzchild spacetime is considered as an exterior region of the star. The Israel junction conditions are used to match the interior and exterior spacetimes. For the sake of simplicity, we take the external field $\Theta$ as a function of time parameter $t$ and obtain the solution of the field equations of Chern-Simon modified gravity. Junction conditions have been used to calculate the gravitational mass. We discuss the apparent horizons and their physical consequences. It is mentioning here that our results will reduce to those of general relativity, available in literature, if the external field is taken to be constant.

17 page

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Cited by in corpus (2)

• Gravitational Collapse in General Relativity and in $R^2$-gravity: A Comparative Study
• Non-Singular Collapse Scenario From Matter-Curvature Coupling