Abstract
We present here a new shear free model for the gravitational collapse of a spherically symmetric charged body. We propose a dissipative contraction with radiation emitted outwards represented by the Vaidya–Reissner–Nordström metric. The Einstein field equations, using the junction conditions and an ansatz, are integrated numerically. A check of the energy conditions is also performed. We obtain that the charge delays the Reissner–Nordström black hole formation and it can even prevent the collapse.
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Acknowledgments
The author (RC) acknowledges the financial support from FAPERJ (no. E-26/171.754/2000, E-26/171.533/2002 and E-26/170.951/2006) and from Conselho Nacional de Desenvolvimento Científico e Tecnológico-CNPq-Brazil. The author (GP) acknowledges the financial support from CAPES, FAPERJ and CNPq.
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Pinheiro, G., Chan, R. Radiating shear-free gravitational collapse with charge. Gen Relativ Gravit 45, 243–261 (2013). https://doi.org/10.1007/s10714-012-1468-7
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DOI: https://doi.org/10.1007/s10714-012-1468-7