On Generalized $Q$-systems
High Energy Physics - Theory
2021-05-19 v2 Statistical Mechanics
Mathematical Physics
math.MP
Abstract
We formulate -systems for the closed XXZ, open XXX and open quantum-group-invariant XXZ quantum spin chains. Polynomial solutions of these -systems can be found efficiently, which in turn lead directly to the admissible solutions of the corresponding Bethe ansatz equations.
Cite
@article{arxiv.1910.07805,
title = {On Generalized $Q$-systems},
author = {Zoltán Bajnok and Etienne Granet and Jesper Lykke Jacobsen and Rafael I. Nepomechie},
journal= {arXiv preprint arXiv:1910.07805},
year = {2021}
}
Comments
27 pages. New version: included code, modified sec 3.2, and a few minor changes