The fate of magnetically charged black holes |
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| Authors: | Kimyeong Lee V. P. Nair Erick J. Weinberg |
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| Affiliation: | (1) Physics Department, Columbia University, 10027 New York, New York, USA;(2) School of Natural Sciences The Institute for Advanced Study, 08540 Princeton, New Jersey, USA;(3) Present address: Physics Department, Columbia University New York, New York, 10027, USA |
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| Abstract: | The magnetically charged Reissner-Nordström black hole solutions of Maxwell-Einstein theory cannot evaporate completely, because their Hawking temperature tends to zero as their mass to charge ratio approaches unity. This situation changes when these solutions are considered in the context of a non-Abelian gauge theory containing nonsingular magnetic monopoles. If the horizon is sufficiently small, the Reissner-Nordström solution develops a classical instability and evolves into a new type of magnetically charged black hole solution. The temperature of these new solutions increases monotonically as the horizon contracts, so that there is no obstacle to the complete evaporation of a magnetically charged black hole. |
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