The Higgs branch of Heterotic ALE instantons
arXiv:2307.11087 · doi:10.1007/JHEP01(2024)167
Abstract
We begin a study of the Higgs branch of six-dimensional little string theories governing the worldvolumes of heterotic ALE instantons. We give a description of this space by constructing the corresponding magnetic quiver. The latter is a three-dimensional quiver gauge theory that flows in the infrared to a fixed point whose quantum corrected Coulomb branches is the Higgs branch of the six-dimensional theory of interest. We present results for both types of heterotic strings, and mostly for ALE spaces. Our analysis is valid both in the absence and in the presence of small instantons. Along the way, we also describe small instanton transitions in terms of the corresponding magnetic quiver, which parallels a similar treatment of the small instanton transitions in the context of the heterotic string.
48 pages, 3 figures; v2: typos fixed, citations added; v3: improved introduction, updated references, version published in JHEP
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