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A one-dimensional theory for Higgs branch operators

Author(s): Dedushenko, Mykola; Pufu, Silviu S; Yacoby, Ran

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Abstract: We use supersymmetric localization to calculate correlation functions of half BPS local operators in 3d N = 4 superconformal field theories whose Lagrangian descriptions consist of vectormultiplets coupled to hypermultiplets. The operators we primarily study are certNn twisted linear combinations of Higgs branch operators that can be inserted anywhere along a given line. These operators are constructed from the hypermultiplet scalars. They form a one-dimensional non-commutative operator algebra with topological correlation functions. The 2- and 3-point functions of Higgs branch operators in the full 3d N = 4 theory can be simply inferred from the id topological algebra. After conformally mapping the 3d superconformal field theory from flat space to a round three-sphere, we preform supersymmetric localization using a supercharge that does not belong to any 3d N = 2 subalgebra of the N = 4 algebra. The result is a simple model that can be used to calculate correlation functions in the id topological algebra mentioned above. This model is a 1d Gaussian theory coupled to a matrix model, and it can be viewed as a gauge-fixed version of a topological gauged quantum mechanics. Our results generalize to non-conformal theories on S-3 that contNn real mass and Fayet-Iliopolous parameters. We also provide partial results in the id topological algebra associated with the Coulomb branch, where we calculate correlation functions of local operators built from the vectormultiplet scalars.
Publication Date: Mar-2018
Electronic Publication Date: 23-Mar-2018
Citation: Dedushenko, Mykola, Pufu, Silviu S, Yacoby, Ran. (2018). A one-dimensional theory for Higgs branch operators. JOURNAL OF HIGH ENERGY PHYSICS, 10.1007/JHEP03(2018)138
DOI: doi:10.1007/JHEP03(2018)138
ISSN: 1029-8479
Type of Material: Journal Article
Version: Final published version. This is an open access article.

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