Hypermultiplet Moduli Space and Three Dimensional Gauge Theories

Abstract

We establish a relation, conjectured recently by E. Witten, between the hypermultiplet moduli space in compactifications of the heterotic string on an A-D-E singularities, and the moduli spaces of three dimensional pure gauge theories with the corresponding A-D-E gauge groups. It is possible to add a bounded number of heterotic fivebranes sitting in the singularity, while (in leading order in ${\alpha }^{\prime }$) keeping the heterotic string perturbative. The corresponding hypermultiplet moduli space is given by the moduli space of a three dimensional gauge theory with matter.

8 pages, LATEX

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• Heterotic-type II duality in twistor space
• Heterotic-Type II duality in the hypermultiplet sector