Approximate Symmetry Reduction to the Perturbed One-Dimensional Nonlinear Schr(o)dinger Equation

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2009,（2）
• 页码范围: 1-4
• 页数: 4页
• 语种: 英文

摘要

The one-dimensional nonlinear Schrodinger equation with a perturbation of polynomial type is considered. Us-ing the approximate symmetry perturbation theory, the approximate symmetries and approximate symmetry reduction equations are obtained.