In plasma physics, the Kadomtsev–Petviashvili I (KPI) equation is a fundamental model for investigating the evolution characteristics of nonlinear waves. For the KPI equation, the constraint method is an effective tool for generating solitonic or rational solutions from the solutions of lower-dimensional integrable systems. In this work, various nonsingular, rational lump solutions of the KPI equation are constructed by employing the vector one-constraint method and the generalized Darboux transformation of the (1 + 1)-dimensional vector Ablowitz–Kaup–Newell–Segur system. Furthermore, we investigate the large-time asymptotic behavior of high-order lumps in detail and discover distinct types of patterns. These lump patterns correspond to the high-order rogue wave patterns of the (1 + 1)-dimensional vector integrable equation and are associated with root structures of generalized Wronskian–Hermite polynomials.
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April 2024
Research Article|
April 24 2024
Large-time lump patterns of Kadomtsev-Petviashvili I equation in a plasma analyzed via vector one-constraint method Available to Purchase
Huian Lin
;
Huian Lin
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing)
School of Mathematics, South China University of Technology
, Guangzhou 510641, China
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Liming Ling
Liming Ling
a)
(Conceptualization, Funding acquisition, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing)
School of Mathematics, South China University of Technology
, Guangzhou 510641, China
a)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
Huian Lin
Liming Ling
a)
School of Mathematics, South China University of Technology
, Guangzhou 510641, China
a)Author to whom correspondence should be addressed: [email protected]
J. Math. Phys. 65, 043505 (2024)
Article history
Received:
June 19 2023
Accepted:
April 05 2024
Citation
Huian Lin, Liming Ling; Large-time lump patterns of Kadomtsev-Petviashvili I equation in a plasma analyzed via vector one-constraint method. J. Math. Phys. 1 April 2024; 65 (4): 043505. https://doi.org/10.1063/5.0163821
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