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

@article{Kats2006HigherorderCT,
  title={Higher-order corrections to mass-charge relation of extremal black holes},
  author={Yevgeny Kats and Lubo{\vs} Motl and Megha Padi},
  journal={arXiv: High Energy Physics - Theory},
  year={2006}
}
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… 
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