Abstract
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 language | English (US) |
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Article number | 054001 |
Journal | Journal of Physics A: Mathematical and Theoretical |
Volume | 50 |
Issue number | 5 |
DOIs | |
State | Published - Jan 4 2017 |
Keywords
- 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)