科研之友
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摘要
We present exact spherically symmetric dyonic black hole solutions in four-dimensional and higher dimensional Einstein-Maxwell-dilaton gravity with Liouville-type potentials for the dilaton field. These solutions have unusual asymptotics-they are neither asymptotically flat nor asymptotically (anti-)de Sitter. The solutions have one or two horizons hiding a curvature singularity at the origin. A class of topological dyonic black holes with topology of a torus is also presented in four dimensions. Some basic properties of the black holes are discussed.
- 出版日期2005-10-7
