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- Title
Collision properties of overtaking magnetosonic solitary waves in the ionospheric multi-ion plasmas.
- Authors
Gao, Dong-Ning; Zhang, Heng; Li, Zhong-Zheng
- Abstract
We study the magnetosonic waves (MWs) propagating in magnetized plasmas comprising light warm ions, cold heavy ions and hot electrons at the Earth's ionosphere. The dispersion relation is given and the effects of different physical parameters on the frequency of fast and slow MSWs are shown. We derive a KdV equation for the MSWs in multi-ion plasma and study the two-soliton and three-soliton overtaking collision of KdV MSWs by Hirota's bilinear method. We show the trajectories and amplitude of solitons in this process, and the phase shift after collision. It is found that when solitons merge, it will form a new soliton whose amplitude first decreases then increases. The effects of physical parameters on the phase shift of multi-soliton collision are presented. It is worth noting that the solitons' interaction can result in the redistribution of momentum and energy in the plasmas.
- Subjects
IONOSPHERIC plasma; ION acoustic waves; HOT carriers; DISPERSION relations; MAGNETOHYDRODYNAMIC waves; HEAVY ions
- Publication
Astrophysics & Space Science, 2024, Vol 369, Issue 2, p1
- ISSN
0004-640X
- Publication type
Article
- DOI
10.1007/s10509-024-04278-7