D-instantons and matter hypermultiplet

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7 Citations (Scopus)

Abstract

We calculate the D-instanton corrections (with all D-instanton numbers) to the quantum moduli space metric of a single matter hypermultiplet with toric isometry, in the effective N = 2 supergravity arising in type IIA superstrings compactified on a Calabi-Yau (CY) threefold of Hodge number h2,1 = 1. The non-perturbative quaternionic hypermultiplet metric is derived by resolution of a complex orbifold singularity, thus generalizing the known (Ooguri-Vafa) solution in flat spacetime to N = 2 supergravity.

Original languageEnglish
Pages (from-to)119-124
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume558
Issue number1-2
DOIs
Publication statusPublished - 10 Apr 2003

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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