Violation of the string hypothesis and Heisenberg XXZ spin chain
High Energy Physics - Theory
2009-10-31 v1 Condensed Matter
Mathematical Physics
math.MP
Abstract
In this paper we count the numbers of real and complex solutions to Bethe constraints in the two particle sector of the XXZ model. We find exact number of exceptions to the string conjecture and total number of solutions which is required for completeness.
Cite
@article{arxiv.hep-th/9907103,
title = {Violation of the string hypothesis and Heisenberg XXZ spin chain},
author = {A. Ilakovac and M. Kolanovic and S. Pallua and P. Prester},
journal= {arXiv preprint arXiv:hep-th/9907103},
year = {2009}
}
Comments
15 pages, 7 Postscript figures