Integrable Kondo problems

Integrable Kondo problems

Abstract We discuss the integrability and wall-crossing properties of Kondo problems, where an 1d impurity is coupled to a 2d chiral CFT and triggers a defect RG flow. We review several new and old examples inspired by constructions in four-dimensional Chern-Simons theory and by affine Gaudin models...

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Bibliographic Details
Main Authors: Davide Gaiotto, Ji Hoon Lee, Jingxiang Wu
Format: Article
Language:English
Published: SpringerOpen 2021-04-01
Series:Journal of High Energy Physics
Subjects:
Conformal Field Theory
Integrable Field Theories
Integrable Hierarchies
Renormalization Group
Online Access:https://doi.org/10.1007/JHEP04(2021)268
Description
Summary:Abstract We discuss the integrability and wall-crossing properties of Kondo problems, where an 1d impurity is coupled to a 2d chiral CFT and triggers a defect RG flow. We review several new and old examples inspired by constructions in four-dimensional Chern-Simons theory and by affine Gaudin models.
ISSN:1029-8479

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