Excitations of breathers and rogue wave in the Heisenberg spin chain
作者： Jian-Wen Qi , Liang Duan , Zhan-Ying Yang , Wen-Li Yang
DOI: 10.1016/J.AOP.2017.11.017
关键词:
摘要: We study the excitations of breathers and rogue wave in a classical Heisenberg spin chain with twist interaction, which is governed by a fourth-order integrable nonlinear Schrödinger equation. The dynamics of these waves have been extracted from an exact solution. In particular, the corresponding existence conditions based on the parameters of perturbation wave number K, magnon number N, background wave vector ks and amplitude c are presented explicitly. Furthermore, the characteristics of magnetic moment distribution …
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