A Family of N=2 Gauge Theories with Exact S-Duality
Kimyeong Lee, Piljin Yi
Abstract
We study an infinite family of N=2 Sp(2n) gauge theories that naturally arise from the D3-brane probe dynamics in F-theory. The matter sector consists of four fundamental and one antisymmetric tensor hyper multiplets. We propose that, in the limit of vanishing bare masses, the theory has exact SO(8) SL(2,Z) duality. We examine the semiclassical BPS spectrum in the Coulomb phase by quantizing various monopole moduli space dynamics, and show that it is indeed consistent with the exact S-duality.
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