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Scalar field collapse with an exponential potential

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Abstract

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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Acknowledgements

The author thanks Professor Narayan Banerjee for invaluable insights and helpful discussions.

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Authors and Affiliations

  1. Department of Physical Sciences, Indian Institute of Science Education and Research, Kolkata Mohanpur Campus, Nadia, West Bengal, 741252, India

    Soumya Chakrabarti

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  1. Soumya Chakrabarti
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Correspondence to Soumya Chakrabarti.

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Chakrabarti, S. Scalar field collapse with an exponential potential. Gen Relativ Gravit 49, 24 (2017). https://doi.org/10.1007/s10714-017-2186-y

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