N=(4,4) 2D Supersymmetric Gauge Theory and Brane Configuration
M. Alishahiha
TL;DR
This paper constructs a type II A brane setup for N=(4,4) 2D supersymmetric gauge theory, explores R-symmetry enhancement at strong coupling, and reveals equivalences between different theories in M-theory.
Contribution
It introduces a brane configuration for N=(4,4) 2D gauge theory and analyzes symmetry enhancement and dualities at strong coupling.
Findings
R-symmetry enhancement in Coulomb branch at strong coupling
Identification of two equivalent theories at strong coupling
Explicit brane construction of the gauge theory
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.
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