期刊
COMMUNICATIONS IN THEORETICAL PHYSICS
卷 57, 期 4, 页码 523-529出版社
IOP PUBLISHING LTD
DOI: 10.1088/0253-6102/57/4/02
关键词
classical Lie-group method; symmetry reduced equation; soliton solution
资金
- National Natural Science Foundation of China [10875106, 11175158]
We investigate analytical solutions of the (2+1)-dimensional combining cubic-quintic nonlinear Schrodinger (CQNLS) equation by the classical Lie group symmetry method. We not only obtain the Lie-point symmetries and some (1+1)-dimensional partial differential systems, but also derive bright solitons, dark solitons, kink or anti-kink solutions and the localized instanton solution.
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