For both types, the phenomenon of self-trapping occurs.A part of the wave packet stays highly localized near the initial sites and turns into solitons while another part is diffusive with time.

 
  • 对于这两类模型,我们发现在非线性的作用下均出现了自限现象,一部分波包在初始位置附近高度局域化,形成孤子,另一部分则随着时间向外扩散。
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