Event horizon area in a slowly changing Weyl geometry
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We consider a class of models of dynamically distorted black hole event horizons, based on a slow evolution of black hole Weyl geometries. With the time scale for the evolution taken arbitrarily large, a fairly simple mathematical description of the "quasistatic" geometry results. With this description it is shown how the constraint on event horizon area is related to the absence of singularities at the horizon. The evolution of intrinsic event horizon geometry is plotted for a specific example.
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2015 ◽
Vol 93
(9)
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pp. 995-998
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