Dyonic BPS saturated black holes of heterotic string on a six-torus

Details Dyonic BPS saturated black holes of heterotic string on a six-torus Dyonic BPS saturated black holes of heterotic string on a six-torus

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phrvd..53..584c&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 53, Issue 2, 15 January 1996, pp.R584-R588

Physics

181

Exact Solutions, Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity, Classical Black Holes, Compactification And Four-Dimensional Models

Scientific paper

Within effective heterotic superstring theory compactified on a six-torus we derive minimum energy (supersymmetric), static, spherically symmetric solutions, which are manifestly invariant under the target space O(6,22) and the strong-weak coupling SL(2) duality symmetries with 28 electric and 28 magnetic charges subject to one constraint. The class of solutions with a constant axion corresponds to dyonic configurations subject to two charge constraints, with purely electric (or purely magnetic) and dyonic configurations preserving 1/2 and 1/4 of N=4 supersymmetry, respectively. General dyonic configurations in this class have a space-time of extreme Reissner-Nordström black holes while configurations with more constrained charges have a null or a naked singularity.

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