paper

Higher-order corrections to mass-charge relation of extremal black holes

arXiv:hep-th/0606100 · doi:10.1088/1126-6708/2007/12/068

Abstract

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.

14 pages, 1 eps figure; v2: references added, published version

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