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- Title
General Soliton and (Semi-)Rational Solutions of a (2+1)-Dimensional Sinh-Gordon Equation.
- Authors
Wang, Sheng-Nan; Yu, Guo-Fu; Zhu, Zuo-Nong
- Abstract
In this paper, we investigate solutions of a (2+1)-dimensional sinh-Gordon equation. General solitons and (semi-)rational solutions are derived by the combination of Hirota's bilinear method and Kadomtsev-Petviashvili hierarchy reduction approach. General solutions are expressed as N × N Gram-type determinants. When the determinant size N is even, we generate solitons, line breathers, and (semi-)rational solutions located on constant backgrounds. In particular, through the asymptotic analysis we prove that the collision of solitons are completely elastic. When N is odd, we derive exact solutions on periodic backgrounds. The dynamical behaviors of those derived solutions are analyzed with plots. For rational solutions, we display the interaction of lumps. For semi-rational solutions, we find the interaction solutions between lumps and solitons.
- Subjects
SOLITONS; EQUATIONS
- Publication
Journal of Nonlinear Mathematical Physics, 2023, Vol 30, Issue 4, p1621
- ISSN
1402-9251
- Publication type
Article
- DOI
10.1007/s44198-023-00147-z