Approximate symmetry reduction for perturbed nonlinear Schrodinger equation

作者：Xie Shui Ying; Lin Ji^*

来源：Chinese Physics B, 2010, 19(5): 050201.

DOI：10.1088/1674-1056/19/5/050201

• perturbed NLS equation
• symmetry
• similarity reduction

We investigate the one-dimensional nonlinear Schrodinger equation with a perturbation of polynomial type. The approximate symmetries and approximate symmetry reduction equations are obtained with the approximate symmetry perturbation theory.

• 出版日期2010-5
• 单位浙江师范大学