Non-perturbative corrections in N=2 strings

Details Non-perturbative corrections in N=2 strings Non-perturbative corrections in N=2 strings

1998-11-11

arxiv.org/abs/hep-th/9811096v1

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, latex, no figures, talk given at the 6th Hellenic School and Workshops on Elementary Particle Physics, Corfu, Greece,

Scientific paper

10.1007/BFb0104254

We investigate the non-perturbative equivalence of some heterotic/type IIA dual pairs with N=2 supersymmetry. We compute R2-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.

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