One-loop and D-instanton corrections to the effective action of open string models

Details One-loop and D-instanton corrections to the effective action of open string models One-loop and D-instanton corrections to the effective action of open string models

2009-09-17

arxiv.org/abs/0909.3153v1

Physics

High Energy Physics

High Energy Physics - Theory

This article is essentially the main part of the author's PhD thesis

Scientific paper

One-loop corrections to the gauge coupling and the gauge kinetic function in certain classes of four-dimensional D-brane models are computed. It is described how to determine D-instanton corrections to the superpotential and the gauge kinetic function in such models. The Affleck-Dine-Seiberg superpotential is rederived in string theory. The existence of a new class of multi-instantons, dubbed poly-instantons, is conjectured.

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