Darboux transformation for soliton solutions of the modified Kadomtsev-Petviashvili-II equation

Abstract

Soliton solutions as far as hyperbolic cosines to the modified Kadomtsev–Petviashvili II equation are displayed. The
behaviour of each line soliton in the far region can be characterized analytically. It is revealed that under certain conditions, there may
appear an isolated bump in the interaction centre, which is much higher in peak amplitude than the surrounding line solitons, and the
more line solitons interact, the higher isolated bump will form. These results may provide a clue to generation of extreme
high-amplitude waves, in a reservoir of small waves, based on nonlinear interactions between the involved waves.

Keywords

• Darboux transformation,multisoliton solution,spectral problem,generalized Korteweg-de Vries equations

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