Scalar field collapse in a conformally flat spacetime

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Abstract

The collapse scenario of a scalar field along with a perfect fluid distribution was investigated for a conformally flat spacetime. The theorem for the integrability of an anharmonic oscillator has been utilized. For a pure power-law potential of the form ϕn+1, it was found that a central singularity is formed which is covered by an apparent horizon for n> 0 and n< - 3. Some numerical results have also been presented for a combination of two different powers of ϕ in the potential.

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Chakrabarti, S., & Banerjee, N. (2017). Scalar field collapse in a conformally flat spacetime. European Physical Journal C, 77(3). https://doi.org/10.1140/epjc/s10052-017-4740-x

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