2000 character limit reached
Inner-extremal regular black holes from pure gravity (2404.07058v2)
Published 10 Apr 2024 in gr-qc and hep-th
Abstract: Recently it was shown that essentially all regular black hole models constructed so far can be obtained as solutions of vacuum gravity equations, upon considering an infinite series of quasi-topological higher curvature corrections. Here we show that such a construction can be upgraded to yield regular black holes with vanishing inner horizon surface gravity. In four dimensions, such a condition is necessary for the absence of classical instabilities associated with mass inflation on the inner horizon.
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