Gott time machines, BTZ black hole formation, and choptuik scaling
We study the formation of Banados-Teitelboim-Zanelli black holes by the collision of point particles. It is shown that the Gott time machine, originally constructed for the case of vanishing cosmological constant, provides a precise mechanism for black hole formation. As a result, one obtains an exact analytic understanding of the Choptuik scaling.
Birmingham
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Department of Mathematical Physics, University College Dublin, Belfield, Dublin 4, Ireland.
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