What role pressures play to determine the final end-state of gravitational collapse?
Rituparno Goswami, Pankaj S Joshi
Abstract
We examine here in what way the pressures affect the final fate of a continual gravitational collapse. It is shown that the presence of a non-vanishing pressure gradient in the collapsing cloud determines directly the epoch of formation of trapped surfaces and the apparent horizon, thus changing the causal structure in the vicinity of singularity.
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