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Coulomb Branch Operators and Mirror Symmetry in Three Dimensions by Dedushenko, Mykola; Fan, Yale; Pufu, Silviu S.; Yacoby, Ran is a scholarly article available to read on EtoBox.

What is Coulomb Branch Operators and Mirror Symmetry in Three Dimensions about?

We develop new techniques for computing exact correlation functions of a class of local operators, including certain monopole operators, in three-dimensional $\mathcal{N} = 4$ abelian gauge theories that have superconformal infrared limits. These operators are position-dependent linear combinations of Coulomb branch operators. They form a one-dimensional topological sector that encodes a deformation quantization of the Coulomb branch chiral ring, and their correlation functions completely fix the ($n\leq 3$)-point functions of all half-BPS Coulomb branch operators. Using these results, we provide new derivations of the conformal dimension of half-BPS monopole operators as well as new and detailed tests of mirror symmetry. Our main approach involves supersymmetric localization on a hemisphere $HS^3$ with half-BPS boundary conditions, where operator insertions within the hemisphere are represented by certain shift operators acting on the $HS^3$ wavefunction. By gluing a pair of such wavefunctions, we obtain correlators on $S^3$ with an arbitrary number of operator insertions. Finally, we show that our results can be recovered by dimensionally reducing the Schur index of 4D $\mathcal{

Author

Dedushenko, Mykola; Fan, Yale; Pufu, Silviu S.; Yacoby, Ran

Published

2017

Language

EN