paper

Three Dimensional N=2 Gauge Theories and Degenerations of Calabi-Yau Four-Folds

arXiv:hep-th/9804059 · doi:10.1016/S0550-3213(98)00597-5

Abstract

Three dimensional N=2 gauge theories with arbitrary gauge group and fundamental flavors are engineered from degenerations of Calabi-Yau four-folds. We show how Coulomb and Higgs branches emerge in the geometric picture. The analysis of instanton generated superpotentials unravels interesting aspects of the five-brane effective action in M theory.

subsections on Sp(N) and Spin(2N+1) theories removed, 32 pages, harvmac, 6 postscript figures

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