Journal
COMMUNICATIONS IN THEORETICAL PHYSICS
Volume 57, Issue 4, Pages 523-529Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0253-6102/57/4/02
Keywords
classical Lie-group method; symmetry reduced equation; soliton solution
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Funding
- National Natural Science Foundation of China [10875106, 11175158]
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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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