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arXiv · 1707.08472

Gravitational Perfect Fluid Collapse in Gauss-Bonnet Gravity

G. Abbas·M. Tahir
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Abstract

The Einstein Gauss-Bonnet theory of gravity is the low energy limit of heterotic super-symmetric string theory. This paper deals gravitational collapse of perfect fluid in Einstein Gauss-Bonnet gravity by considering the Lemaitre - Tolman - Bondi metric. For this purpose, the closed form of exact solution of equations of motion has been determined by using the conservation of stress-energy tensor and the condition of marginally bound shells. It has been investigated that the presence of Gauss-Bonnet coupling term $α>0$ and pressure of the fluid modifies the structure and time formation of singularity. In this analysis singularity form earlier than horizon, so end state of the collapse is a naked singularity depending on the initial data. But this singularity is weak and timelike that goes against the investigation of general relativity.

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G. Abbas, M. Tahir. 2017-07-27. Gravitational Perfect Fluid Collapse in Gauss-Bonnet Gravity. https://doi.org/10.1140/epjc%2Fs10052-017-5114-0

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