paper

Four-Dimensional String/String Duality

arXiv:hep-th/9305142 · doi:10.1016/0550-3213(94)90459-6

Abstract

We present supersymmetric soliton solutions of the four-dimensional heterotic string corresponding to monopoles, strings and domain walls. These solutions admit the interpretation of a fivebrane wrapped around , or of the toroidally compactified dimensions and are arguably exact to all orders in . The solitonic string solution exhibits an {\it strong/weak coupling} duality which however corresponds to an {\it target space} duality of the fundamental string.

14 pages

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