Physical Properties of Four Dimensional Superstring Gravity Black Hole Solutions
arXiv:hep-th/9301129 · doi:10.1016/0550-3213(93)90620-5
Abstract
We consider the physical properties of four dimensional black hole solutions to the effective action describing the low energy dynamics of the gravitational sector of heterotic superstring theory. We compare the properties of the external field strengths in the perturbative solution to the full string effective action equations, to those of exact solutions in a truncated action for charged black holes, and to the Kerr-Newman family of solutions of Einstein-Maxwell theory. We contrast the numerical results obtained in these approaches, and discuss limitations of the analyses. Finally we discuss how the new features of classical string gravity affect the standard tests of general relativity.
38 pages LaTeX, Alberta-Thy-32-92/UMN-TH-1109/92. (6 figures available upon request from N. Kaloper, email: [email protected]) ( 4 typos in the previous version corrected )
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Cited by in corpus (54)
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