中国物理B ›› 2010, Vol. 19 ›› Issue (5): 50201-050201.doi: 10.1088/1674-1056/19/5/050201
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林机1, 谢水英2
Xie Shui-Ying(谢水英)a) and Lin Ji(林机) b)†
摘要: We investigate the one-dimensional nonlinear Schrödinger equation with a perturbation of polynomial type. The approximate symmetries and approximate symmetry reduction equations are obtained with the approximate symmetry perturbation theory.
中图分类号: (Solitons)