Higher dimensional bright solitons and their collisions in multicomponent long wave-short wave system

Abstract

Bright plane soliton solutions of an integrable (2+1) dimensional ($n+1$)-wave system are obtained by applying Hirota's bilinearization method. First, the soliton solutions of a 3-wave system consisting of two short wave components and one long wave component are found and then the results are generalized to the corresponding integrable ($n+1$)-wave system with $n$ short waves and single long wave. It is shown that the solitons in the short wave components (say $S^{(1)}$ and $S^{(2)}$) can be amplified by merely reducing the pulse width of the long wave component (say L). The study on the collision dynamics reveals the interesting behaviour that the solitons which split up in the short wave components undergo shape changing collisions with intensity redistribution and amplitude-dependent phase shifts. Even though similar type of collision is possible in (1+1) dimensional multicomponent integrable systems, to our knowledge for the first time we report this kind of collisions in (2+1) dimensions. However, solitons which appear in the long wave component exhibit only elastic collision though they undergo amplitude-dependent phase shifts.

Published in J. Phys. A Math. Theor

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• Dynamics of nondegenerate solitons in long-wave short-wave resonance interaction system
• Multi-dark soliton solutions of the two-dimensional multi-component Yajima-Oikawa systems
• Elliptic Waves in Two Component Long Wave--Short Wave Resonance Interaction System in One and Two dimensions
• New type of rogue waves
• Dynamics of solitons in multicomponent long wave-short wave resonance interaction system