Bound States in the One-dimensional Hubbard Model

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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.
4 pages, Revtex, typos corrected and footnote added

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/28261

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9805103
 http://arxiv.org/abs/cond-mat/9805103

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arXiv