Black Holes in Supergravity: the non-BPS Branch
arXiv:0710.4967 · doi:10.1088/1126-6708/2008/01/040
Abstract
We construct extremal, spherically symmetric black hole solutions to 4D supergravity with charge assignments that preclude BPS-saturation. In particular, we determine the ground state energy as a function of charges and moduli. We find that the mass of the non-BPS black hole remains that of a marginal bound state of four basic constituents throughout the entire moduli space and that there is always a non-zero gap above the BPS bound.
29 pages, one appendix, no figures; v2. few comments and references added and a missing sign included; v3. further references added
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