paper

Classical and quantum N=2 supersymmetric black holes

arXiv:hep-th/9610105 · doi:10.1016/S0550-3213(97)00028-X

Abstract

We use heterotic/type-II prepotentials to study quantum/classical black holes with half the supersymmetries unbroken. We show that, in the case of heterotic string compactifications, the perturbatively corrected entropy formula is given by the tree-level entropy formula with the tree-level coupling constant replaced by the perturbative coupling constant. In the case of type-II compactifications, we display a new entropy/area formula associated with axion-free black-hole solutions, which depends on the electric and magnetic charges as well as on certain topological data of Calabi--Yau three-folds, namely the intersection numbers, the second Chern class and the Euler number of the three-fold. We show that, for both heterotic and type-II theories, there is the possibility to relax the usual requirement of the non-vanishing of some of the charges and still have a finite entropy.

28 pages, LaTeX

References in corpus (7)

Cited by in corpus (106)