Abstract

Building on recent progress in the study of compactifications of 6d (1, 0) superconformal field theories (SCFTs) on Riemann surfaces to 4d mathcal{N} = 1 theories, we initiate a systematic study of compactifications of 5d mathcal{N} = 1 SCFTs on Riemann surfaces to 3d mathcal{N} = 2 theories. Specifically, we consider the compactification of the so-called rank 1 Seiberg {E}_{N_f+1} SCFTs on tori and tubes with flux in their global symmetry, and put the resulting 3d theories to various consistency checks. These include matching the (usually enhanced) IR symmetry of the 3d theories with the one expected from the compactification, given by the commutant of the flux in the global symmetry of the corresponding 5d SCFT, and identifying the spectrum of operators and conformal manifolds predicted by the 5d picture. As the models we examine are in three dimensions, we encounter novel elements that are not present in compactifications to four dimensions, notably Chern-Simons terms and monopole superpotentials, that play an important role in our construction. The methods used in this paper can also be used for the compactification of any other 5d SCFT that has a deformation leading to a 5d gauge theory.

Highlights

  • The study of the dynamics of supersymmetric quantum field theory in three spacetime dimensions is a very rich research topic

  • Inspired by the more investigated compactifications of 6d superconformal field theories (SCFTs) on Riemann surfaces to four dimensions, in this paper we initiated the study of the compactifications of 5d SCFTs to 3d N = 2 theories

  • We first conjectured some 3d Lagrangians that flow in the IR to the same SCFTs obtained by compactifying the 5d theories on a sphere with two punctures, or a tube, with some value of flux for the 5d global symmetry

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Summary

Introduction

The study of the dynamics of supersymmetric quantum field theory in three spacetime dimensions is a very rich research topic. We shall concentrate on the cases where the surfaces are tori and tubes, that is spheres with two punctures, with flux in their global symmetry supported on the surface This choice is motivated by the strategy used to study the compactification of 6d SCFTs to 4d on Riemann surfaces. For the choice of compactification surface, we shall take tori and tubes, that is a spheres with two punctures, with flux in the global symmetry of the 5d SCFT supported on the surface. We need to consider the reduction to 3d, but before that we need to discuss the boundary conditions

Boundary conditions
Conjecturing the 3d theories
Anomalies
Symmetries and general behavior
Studying basic models
Gluing basic tubes together
Studying more general models
Additional cases
Gluing the basic tube to itself
Gluing rules
Conclusions
Full Text
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