Three magnons in an isotropic $S=1$ ferromagnetic chain as an exactly solvable non-integrable system
Strongly Correlated Electrons
2016-06-29 v2 Exactly Solvable and Integrable Systems
Abstract
It is shown that a generalization of Bethe Ansatz based on an utilization of {\it degenerative discrete-diffractive} wave functions solves the three-magnon problem for the isotropic ferromagnetic infinite chain. The four-magnon problem is briefly discussed.
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Cite
@article{arxiv.1506.01554,
title = {Three magnons in an isotropic $S=1$ ferromagnetic chain as an exactly solvable non-integrable system},
author = {P. N. Bibikov},
journal= {arXiv preprint arXiv:1506.01554},
year = {2016}
}
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13 pages