paper

IR Dynamics on Branes and Space-Time Geometry

arXiv:hep-th/9606017 · doi:10.1016/0370-2693(96)00819-2

Abstract

We consider the type I theory compactified on . When the D5-brane wraps the it yields a D2-brane in seven dimensions. In the leading approximation the moduli space of vacua of the three dimensional field theory on the brane is $T^4/\ZZ_2$. The dual M theory description of this theory is a compactification on K3 and our 2-brane is the eleven dimensional 2-brane at a point in K3. We use this fact to conclude that strong coupling IR effects in the three dimensional theory on the brane turn its moduli space into a K3. This interpretation allows us to solve various strongly coupled gauge theories in three dimensions by identifying their Coulomb branch with a piece of a (sometime singular) K3.

8 pages, uses harvmac, one reference added

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