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arXiv 2303.01423nlin.PS
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三次Boussinesq型方程的双组分非线性波

Two-component nonlinear wave of the cubic Boussinesq-type equation

G. T. Adamashvili

AI总结:

该研究将三次Boussinesq型方程化为耦合非线性薛定谔方程,求得双组分孤立波解,并证明其等价于自感应透明的矢量0π脉冲。

摘要:

考虑三次Boussinesq型方程的一般形式。在特殊情况下,该方程可化为三次Boussinesq方程的三种不同版本,以及广义修正三次Boussinesq方程。利用缓变包络近似和广义扰动约化方法,将三次Boussinesq型方程变换为耦合非线性薛定谔方程,并得到双组分非线性孤立波解。给出了以频率和波数之和与差振荡的双组分非线性脉冲的形状和参数的显式解析表达式。结果表明,所得解与自感应的矢量$0π$脉冲一致。

英文摘要:

The general form of the cubic Boussinesq-type equation is considered. In special cases, this equation is reduced to the three different versions of the cubic Boussinesq equations and also the generalized modified cubic Boussinesq equation. Using the slowly varying envelope approximation and the generalized perturbation reduction method the cubic Boussinesq-type equation is transformed to the coupled nonlinear Schrodinger equations and the two-component nonlinear solitary wave solution is obtained. Explicit analytical expressions for the shape and parameters of the two-component nonlinear pulse oscillating with the sum and difference of the frequencies and wave numbers are presented. It is shown that obtained solution coincides with the vector $0π$ pulse of the self-induced transparency.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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