Integrable Kondo problems

14 Mar 2020 Gaiotto Davide Lee Ji Hoon Wu Jingxiang

We discuss the integrability and wall-crossing properties of chiral 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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  • HIGH ENERGY PHYSICS - THEORY
  • STRONGLY CORRELATED ELECTRONS