New Black Hole, String and Membrane Solutions of the Four-Dimensional Heterotic String

M. J. Duff; Ramzi R. Khuri; Ruben Minasian; Joachim Rahmfeld

doi:10.1016/0550-3213(94)90244-5

paper

New Black Hole, String and Membrane Solutions of the Four-Dimensional Heterotic String

arXiv:hep-th/9311120 · doi:10.1016/0550-3213(94)90244-5

Abstract

We present solutions of the low-energy four-dimensional heterotic string corresponding to $p$ -branes with $p = 0, 1, 2$ , which are characterized by a mass per unit $p$ -volume, $M_{p + 1}$ , and topological ``magnetic'' charge, $g_{p + 1}$ . In the extremal limit, $2 κ M_{p + 1} = g_{p + 1}$ , they reduce to the recently discovered non-singular supersymmetric monopole, string and domain wall solutions. A novel feature is that the solutions involve both the dilaton and the modulus fields. In particular, the effective scalar coupling to the Maxwell field, $e^{- α ϕ} F_{μν} F^{μν}$ , gives rise to a new string black hole with $α = 3$ , in contrast to the pure dilaton black hole solution which has $α = 1$ . This means that electric/magnetic duality in $D = 4$ may be seen as a consequence of string/fivebrane duality in $D = 10$ .

13 pages, CTP/TAMU-49/93, CERN-TH.7088/93

New Black Hole, String and Membrane Solutions of the Four-Dimensional Heterotic String

Abstract

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