The Strength of String Nonperturbative Effects and Strong-Weak Coupling Duality

Details The Strength of String Nonperturbative Effects and Strong-Weak Coupling Duality The Strength of String Nonperturbative Effects and Strong-Weak Coupling Duality

1993-04-27

arxiv.org/abs/hep-th/9304129v2

Mod.Phys.Lett.A8:3659-3664,1993

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, iassns-hep-93-24, fermilab 93/087-T, nsf-itp-93-45 (A simple example of the mechanism suggested has been added.)

Scientific paper

10.1142/S0217732393002397

A strong-weak coupling duality symmetry of the string equations of motion has been suggested in the literature. This symmetry implies that vacua occur in pairs. Since the coupling constant is a dynamical variable in string theory, tunneling solutions between strong and weak coupling vacua may exist. Such solutions would naturally lead to nonperturbative effects with anomalous coupling dependence. A highly simplified example is given.

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