An inhomogeneous Lax representation for the Hirota equation

Davide Fioravanti, Rafael I. Nepomechie

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Motivated by recent work on quantum integrable models without U(1) symmetry, we show that the sl(2) Hirota equation admits a Lax representation with inhomogeneous terms. The compatibility of the auxiliary linear problem leads to a new consistent family of Hirota-like equations.

Original languageEnglish (US)
Article number054001
JournalJournal of Physics A: Mathematical and Theoretical
Issue number5
StatePublished - Jan 4 2017


  • Bethe ansatz
  • fusion procedure
  • quantum integrability

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Modeling and Simulation
  • Mathematical Physics
  • Physics and Astronomy(all)


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