N=(4,4) 2D Supersymmetric Gauge Theory and Brane Configuration

Abstract

We construct type II A brane configuration of N=(4,4) supersymmetric two dimensional gauge theory with gauge group U(1) and N_f hypermultiplets in the fundamental representation. By lifting to M-theory (strong coupling), we can see the origin of the R-symmetry enhancement of the Coulomb branch. One can also find two theories which become equivalent at strong coupling.

LaTex file, 7 pages, the typos are corrected

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