Towards a non-equilibrium Bethe ansatz for the Kondo model

Eldad Bettelheim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We give integral equations for the generating function of the cummulants of the work done in a quench for the Kondo model in the thermodynamic limit. Our approach is based on an extension of the thermodynamic Bethe ansatz to non-equilibrium situations. This extension is made possible by use of a large N expansion of the overlap between Bethe states. In particular, we make use of the Slavnov determinant formula for such overlaps, passing to a function-space representation of the Slavnov matrix. We leave the analysis of the resulting integral equations to future work.

Original languageAmerican English
Article number165003
JournalJournal of Physics A: Mathematical and Theoretical
Issue number16
StatePublished - 24 Apr 2015

Bibliographical note

Publisher Copyright:
© 2015 IOP Publishing Ltd.


  • Bethe ansatz
  • Kondo model
  • Slavnov determinant


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