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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Darboux transformation and soliton solutions for the (2+1)-dimensional nonlinear Schrodinger hierarchy with symbolic computation
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Darboux transformation and soliton solutions for the (2+1)-dimensional nonlinear Schrodinger hierarchy with symbolic computation

机译:具有符号计算的(2 + 1)维非线性Schrodinger层次结构的Darboux变换和孤子解

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摘要

In this paper, the N-fold Darboux transformation is applied to the Lax pair associated with the (2 + 1)-dimensional nonlinear Schrodinger hierarchy. The general explicit formula for N-soliton solution is derived in terms of Vandermonde-like determinant expression. On the zero background, two different families of soliton solutions (multi-line soliton and multi-parabola soliton Solutions) are constructed by applying the Darboux transformation Successively. Based on the figures for several sample solutions, the soliton interactions are discussed by virtue of the physical parameters (amplitude, velocity and direction) of the interacting solitons.
机译:在本文中,将N折Darboux变换应用于与(2 +1)维非线性Schrodinger层次结构关联的Lax对。 N-孤子解的一般显式由Vandermonde类行列式表示。在零背景下,通过依次应用Darboux变换构造了两个不同的孤子解系列(多线孤子和多抛物线孤子解)。基于几个样本解决方案的图,借助相互作用的孤子的物理参数(幅度,速度和方向)讨论了孤子相互作用。

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