Three Dimensional Mirror Symmetry beyond $ADE$ quivers and Argyres-Douglas theories

Abstract

Mirror symmetry, a three dimensional $\mathcal{N}=4$ IR duality, has been studied in detail for quiver gauge theories of the $ADE$-type (as well as their affine versions) with unitary gauge groups. The $A$-type quivers (also known as linear quivers) and the associated mirror dualities have a particularly simple realization in terms of a Type IIB system of D3-D5-NS5-branes. In this paper, we present a systematic field theory prescription for constructing 3d mirror pairs beyond the $ADE$ quiver gauge theories, starting from a dual pair of $A$-type quivers with unitary gauge groups. The construction involves a certain generalization of the $S$ and the $T$ operations, which arise in the context of the $SL(2,\mathbb{Z})$ action on a 3d CFT with a $U(1)$ 0-form global symmetry. We implement this construction in terms of two supersymmetric observables -- the round sphere partition function and the superconformal index on $S^2\times S^1$. We discuss explicit examples of various (non-$ADE$) infinite families of mirror pairs that can be obtained in this fashion. In addition, we use the above construction to conjecture explicit 3d $\mathcal{N}=4$ Lagrangians for 3d SCFTs, which arise in the deep IR limit of certain Argyres-Douglas theories compactified on a circle.

(14+82) pages + appendices, many figures.Section 1 provides a brief summary of the paper. V2:Minor typos fixed, and references added, V3: Minor edits

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• Magnetic quivers and line defects -- On a duality between 3d N=4 unitary and orthosymplectic quivers
• Conformal Manifolds and 3d Mirrors of $(D_n,D_m)$ Theories
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• The $SL(2,\mathbb{Z})$ dualization algorithm at work
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• Supersymmetric vortex loops in 3D gauge theories
• Dualities and loops on squashed $S^3$