non-isospectral AKNS hierarchy;
Darboux transformation;
integral constant;
D O I:
10.1016/j.physleta.2008.06.072
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
In this Letter, the Darboux transformation for the non-isospectral AKNS hierarchy is constructed. We show that the Darboux transformation for the non-isospectral AKNS hierarchy is not an auto-Backlund transformation, because the integral constants of the hierarchy will be changed after the transformation. The transform rule of the integral constants will be also derived. By this means, the soliton solutions of the nonlinear equations derived by the non-isospectral AKNS hierarchy can be found. (C) 2008 Elsevier B.V. All rights reserved.
机构:
China Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China
Bohai Univ, Sch Educ Sci, Jinzhou 121013, Peoples R ChinaChina Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China
Xu, Bo
Zhang, Yufeng
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机构:
China Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China
Zhang, Yufeng
Zhang, Sheng
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机构:
Bohai Univ, Sch Math Sci, Jinzhou 121013, Peoples R ChinaChina Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China