New IR Dualities in Supersymmetric Gauge Theory in Three Dimensions
Micha Berkooz, Anton Kapustin

TL;DR
This paper introduces new dualities in three-dimensional supersymmetric gauge theories, demonstrating their validity through string theory constructions and M-theory lifts, expanding understanding beyond mirror symmetry.
Contribution
It provides novel examples of IR dualities in 3D gauge theories with extended supersymmetry, constructed via D-branes, orientifolds, and M-theory.
Findings
New IR dualities in 3D supersymmetric gauge theories
Construction of theories using D2-branes and orientifolds
Analysis of strong coupling limits of orientifold planes
Abstract
We present nontrivial examples of d=3 gauge theories with sixteen and eight supercharges which are infrared dual at special points in the moduli space. This duality is distinct from mirror symmetry. To demonstrate duality we construct the gauge theories of interest using D2-branes and orientifolds and then consider their lift to M-theory. We also discuss the strong coupling limit of orientifold two-planes and orbifolds of orientifold six-planes.
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