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Non-perturbative corrections in N=2 strings

  • Andrea Gregori
Conference paper
Part of the Lecture Notes in Physics book series (LNP, volume 525)

Abstract

We investigate the non-perturbative equivalence of some heterotic/type IIA dual pairs with N=2 supersymmetry. We compute R 2-like corrections, both on the type IIA and on the heterotic side. The coincidence of their perturbative part provides a test of duality. The type IIA result is then used to predict the full, non-perturbative correction to the heterotic effective action. We determine the instanton numbers and the Olive-Montonen duality groups.

Keywords

Modulus Space Gauge Group Modular Form Vector Multiplet Heterotic String 
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Copyright information

© Springer-Verlag 1999

Authors and Affiliations

  • Andrea Gregori
    • 1
    • 2
  1. 1.Theory DivisionCERNGeneva 23Switzerland
  2. 2.Institut de Physique ThéoriqueUniversité de NeuchâtelNeuchâtelSwitzerland

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