Interaction of Ion-Acoustic Solitons in Two-Dimensional Space

抄録

Nonlinear evolutions of a two-dimensional ion-acoustic wave system are studied analytically and numerically. The solution describing the resonant interaction of three solitons in two-dimensional space is obtained under the approximation of long wavelength and small but finite amplitude. Numerical solutions reveal an importance of soliton resonances in nonlinear developments of two-dimensional ion-acoustic waves.