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arxiv: 1701.04228 · v1 · pith:62ZO4RBMnew · submitted 2017-01-16 · 🌀 gr-qc

Scalar Field Collapse with an exponential potential

classification 🌀 gr-qc
keywords collapseexponentialexteriorfieldpotentialscalarsingularityalways
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An analogue of the Oppenheimer-Synder collapsing model is treated analytically, where the matter source is a scalar field with an exponential potential. An exact solution is derived followed by matching to a suitable exterior geometry, and an analysis of the visibility of the singularity. In some situations, the collapse indeed leads to a finite time curvature singularity, which is always hidden from the exterior by an apparent horizon.

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