Bound States in the One-dimensional Hubbard Model
Strongly Correlated Electrons
2007-05-23 v2
Abstract
The Bethe Ansatz equations for the one-dimensional Hubbard model are reexamined. A new procedure is introduced to properly include bound states. The corrected equations lead to new elementary excitations away from half-filling.
Cite
@article{arxiv.cond-mat/9805103,
title = {Bound States in the One-dimensional Hubbard Model},
author = {D. Braak and N. Andrei},
journal= {arXiv preprint arXiv:cond-mat/9805103},
year = {2007}
}
Comments
4 pages, Revtex, typos corrected and footnote added