• LIQIN ZHANG

      Articles written in Pramana – Journal of Physics

    • Lump solutions with higher-order rational dispersion relations

      WEN-XIU MA LIQIN ZHANG

      More Details Abstract Fulltext PDF

      This paper aims to explore a kind of lump solutions in nonlinear dispersive waves with higher-order rational dispersion relations.We show that the second member in the commuting Kadomtsev–Petviashvili hierarchy is such an example, and construct its lump solutions, based on a Hirota trilinear form. The presented lump solutions have one peak and two valleys, where the global maximum and minimum values are achieved. A few three dimensional plots and contour plots are made for a specific example of the lumps.

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