Nonperturbative corrections to 4D string theory effective actions from SL(2,Z) duality and supersymmetry

Details Nonperturbative corrections to 4D string theory effective actions from SL(2,Z) duality and supersymmetry Nonperturbative corrections to 4D string theory effective actions from SL(2,Z) duality and supersymmetry

2006-12-04

arxiv.org/abs/hep-th/0612027v2

Phys.Rev.Lett.98:211602,2007

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, 1 figure; v2: minor changes, references added, title changed as requested by PRL

Scientific paper

10.1103/PhysRevLett.98.211602

We find the D(-1) and D1-brane instanton contributions to the hypermultiplet
moduli space of type IIB string compactifications on Calabi-Yau threefolds.
These combine with known perturbative and worldsheet instanton corrections into
a single modular invariant function that determines the hypermultiplet
low-energy effective acction.

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