Near-Extremal Spherically Symmetric Black Holes in an Arbitrary-Dimensional Spacetime

A. J. M. Medved

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arXiv · hep-th/0112056

Near-Extremal Spherically Symmetric Black Holes in an Arbitrary-Dimensional Spacetime

A. J. M. Medved

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Abstract

In a recent paper (hep-th/0111091), the near-extremal thermodynamics of a 4-dimensional Reissner-Nordstrom black hole had been considered. In the current letter, we extend this prior treatment to the more general case of a spherically symmetric, charged black hole of arbitrary dimensionality. After summarizing the earlier work, we demonstrate a duality that exists between the near-extremal sector of spherically symmetric black holes and Jackiw-Teitelboim theory. On the basis of this correspondence, we argue that back-reaction effects prohibit any of these ``RN-like'' black holes from reaching extremality and, moreover, from coming arbitrarily close to an extremal state.

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A. J. M. Medved. 2001-12-17. Near-Extremal Spherically Symmetric Black Holes in an Arbitrary-Dimensional Spacetime. https://arxiv.org/abs/hep-th/0112056

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