Higher-order corrections to mass-charge relation of extremal black holes. (English) Zbl 1246.83122
Summary: We investigate the hypothesis that the higher-derivative corrections always make extremal non-supersymmetric black holes lighter than the classical bound and self-repulsive. This hypothesis was recently formulated in the context of the so-called swampland program. One of our examples involves an extremal heterotic black hole in four dimensions. We also calculate the effect of general four-derivative terms in Maxwell-Einstein theories in \(D\) dimensions. The results are consistent with the conjecture.
MSC:
| 83C57 | Black holes |
| 81T30 | String and superstring theories; other extended objects (e.g., branes) in quantum field theory |
Keywords:
extremal black holesReferences:
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