An inhomogeneous Lax representation for the Hirota equation
Mathematical Physics
2017-02-01 v2 High Energy Physics - Theory
math.MP
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.
Keywords
Cite
@article{arxiv.1609.06761,
title = {An inhomogeneous Lax representation for the Hirota equation},
author = {Davide Fioravanti and Rafael I. Nepomechie},
journal= {arXiv preprint arXiv:1609.06761},
year = {2017}
}
Comments
15 pages; v2: minor changes