In this paper, we analyze the large-space and large-time asymptotic properties of the vector rogon-soliton and soliton-like solutions of the n-component nonlinear Schrödinger equation with mixed nonzero and zero boundary conditions. In particular, we find that these solutions have different decay velocities along different directions of the axis, that is, the solutions exponentially and algebraically decay along the positive and negative directions of the axis, respectively. Moreover, we study the change of the acceleration of soliton moving with the increase in time or distance along the characteristic line (i.e., soliton moving trajectory). As a result, we find that the product of the acceleration and distance square tends to some constant value as time increases. These results will be useful to better understand the related multi-wave phenomena and to design physical experiments.
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September 2024
Research Article|
September 13 2024
Large-space and large-time asymptotic properties of vector rogon-soliton and soliton-like solutions for n-component NLS equations
Special Collection:
Rogue waves: Theory, Methods and Applications
Weifang Weng
Weifang Weng
a)
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Writing – original draft, Writing – review & editing)
School of Mathematical Sciences, University of Electronic Science and Technology of China
, Chengdu, Sichuan, 611731, China
a)Author to whom correspondence should be addressed: wengweifang17@mails.ucas.ac.cn
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a)Author to whom correspondence should be addressed: wengweifang17@mails.ucas.ac.cn
Chaos 34, 093115 (2024)
Article history
Received:
July 02 2024
Accepted:
August 14 2024
Citation
Weifang Weng; Large-space and large-time asymptotic properties of vector rogon-soliton and soliton-like solutions for n-component NLS equations. Chaos 1 September 2024; 34 (9): 093115. https://doi.org/10.1063/5.0226548
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