期刊
EUROPEAN PHYSICAL JOURNAL PLUS
卷 137, 期 2, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/s13360-022-02412-4
关键词
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资金
- Natural Science Foundation of Guangdong Province of China [2021A1515012214]
- Science and Technology Program of Guangzhou [2019050001]
- National Natural Science Foundation of China [12175111]
- K.C. Wong Magna Fund in Ningbo University
In this paper, a skillful partial limit approach is proposed to generate new solutions, called multiple-pole solutions, directly from the well-known N-soliton solution for the fifth-order modified Korteweg-de Vries equation. By applying the traditional limit method, the neglected dark double-pole solution is found. Additionally, a general method for constructing triple-pole solutions, multiple-pole solutions, and degeneration of breather solutions is creatively provided. Furthermore, the dynamic properties of these multiple-pole solutions are thoroughly discussed.
A skillful partial limit approach is proposed in this paper, which is used to generate some new solutions called multiple-pole solutions directly from the well-known N-soliton solution for the fifth-order modified Korteweg-de Vries equation. Based on the traditional limit method developed by us, the dark double-pole solution neglected by some scholars is found. Furthermore, we creatively give a general method for constructing triple-pole solutions, multiple-pole solutions and degeneration of breather solutions. Moreover, the dynamical properties of these multiple-pole solutions are discussed in detail.
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