Observation of Peregrine Solitons in a Multicomponent Plasma with Negative Ions

被引:678
作者
Bailung, H. [1 ]
Sharma, S. K. [1 ]
Nakamura, Y. [1 ]
机构
[1] Inst Adv Study Sci & Technol, Div Phys Sci, Plasma Phys Lab, Paschim Boragaon 35, Guwahati, India
关键词
MODULATIONAL INSTABILITY; ACOUSTIC SOLITONS; PROPAGATION; WAVES;
D O I
10.1103/PhysRevLett.107.255005
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The experimental observation of Peregrine solitons in a multicomponent plasma with the critical concentration of negative ions is reported. A slowly amplitude modulated perturbation undergoes self-modulation and gives rise to a high amplitude localized pulse. The measured amplitude of the Peregrine soliton is 3 times the nearby carrier wave amplitude, which agrees with the theory. The numerical solution of the nonlinear Schrodinger equation is compared with the experimental results.
引用
收藏
页数:4
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