Observations on BPS observables in 6d

Abstract

We study possible geometries and R-symmetry breaking patterns that lead to globally BPS surface operators in the six dimensional $\mathcal{N}=(2,0)$ theory. We find four main classes of solutions in different subspaces of ${\mathbb{R}}^6$ and a multitude of subclasses and specific examples. We prove that these constructions lead to supersymmety preserving observables and count the number of preserved supercharges. We discuss the underlying geometry, calculate their anomalies and present analogous structures for the holographic dual M2-branes in $Ad{S}_7\times S^4$. We also comment on the dimensional reduction of these observables to line and surface operators in 4d and 5d theories. This rich spectrum of operators are proposed as the simplest and most natural observables of this mysterious theory.

23 pages

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Cited by in corpus (5)

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• More Holographic M5 branes in $Ad{S}_7\times S^4$