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 O(α′) 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.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 137-168 |
| Number of pages | 32 |
| Journal | Nuclear Physics, Section B |
| Volume | 399 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jun 28 1993 |
Bibliographical note
Funding Information:We would like to acknowledge useful conversations with Don Page. The work of B.A.C. and N.K. was supported in part by the Natural Sciences and Engineering Research council of Canada. The work of K.A.O. was supported in part by DOE grant DE-ACO2-83ER-40 105, and by a Presidential Young Investigator Award. B.A.C. and K.A.O. would like to thank the CERN Theory Division for kind hospitality during part of this research.
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