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arXiv · 0810.4369

Multi-Instanton Corrections to Superpotentials in Type II Compactifications

Tomasz Jelinski·Jacek Pawelczyk
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Abstract

We consider two simple examples of multi-instanton configurations in type II 4d N=1 superstring compactifications. The first one involves O(1) and U(1) D2-instantons embedded in T^6/(Z_2 x Z_2') geometry with SU(4) gauge symmetry coming from D6-branes and the second is related to quiver gauge theory of orientifolded orbifold of conifold containing fractional D(-1)-instantons and D3-branes. The additional zero modes of instantons which appear at the intersection points are lifted through interactions stemming from dimensionally reduced F- and D-terms. It is shown that multi-instanton configurations effectively generate corrections to the usual non-perturbative superpotential for chiral matter.

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Tomasz Jelinski, Jacek Pawelczyk. 2008-10-24. Multi-Instanton Corrections to Superpotentials in Type II Compactifications. https://doi.org/10.1142/s0217751x09045819

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