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Integrable Kondo problems

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arxiv 2003.06694 v2 pith:6UINDW2L submitted 2020-03-14 hep-th cond-mat.str-el

Davide Gaiotto , Ji Hoon Lee , Jingxiang Wu This is my paper · ORCID
classification hep-thcond-mat.str-el
keywords kondoproblemsaffinechern-simonschiralconstructionscoupleddefect
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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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Time-Dependent Integrability from Gauge Theory, I

    hep-th 2026-07 accept novelty 7.5 of 10

    Spacetime-dependent 4d Chern-Simons theory generates time-dependent integrable field theories whose allowed time dependence coincides with one-loop RG flow while preserving Lax integrability.

  2. On the Integrable Structure of the SU(2) Wess-Zumino-Novikov-Witten Model

    hep-th 2026-01 conditional novelty 7.0 of 10

    A new family of commuting local conserved charges in the SU(2) WZNW model is constructed for the first four spins and shown to agree with Bethe-ansatz and ODE/quantum-field-theory predictions.

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