Black holes in three-dimensional topological gravity
- Department of Physics, University of California, Davis, California 95616 (United States)
- Department of Mathematics and Statistics, University of New Brunswick, Fredericton, New Brunswick, E3B 5A3 (Canada)
- Department of Applied Mathematics and Theoretical Physics, Silver Street, Cambridge University, Cambridge CB2 9EWF (United Kingdom)
We investigate the black hole solution to (2+1)-dimensional gravity coupled to topological matter, with a vanishing cosmological constant. We calculate the total energy, angular momentum, and entropy of the black hole in this model and compare with results obtained in Einstein gravity. We find that the theory with topological matter reverses the identification of energy and angular momentum with the parameters in the metric, compared with general relativity, and that the entropy is determined by the circumference of the inner rather than the outer horizon. We speculate that this results from the contribution of the topological matter fields to the conserved currents. We also briefly discuss two new possible (2+1)-dimensional black holes.
- Research Organization:
- Univ. of California (United States)
- DOE Contract Number:
- FG03-91ER40674
- OSTI ID:
- 63640
- Journal Information:
- Physical Review, D, Vol. 51, Issue 12; Other Information: PBD: 15 Jun 1995
- Country of Publication:
- United States
- Language:
- English
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