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arXiv 2104.14814nlin.SI
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耦合非局部NLS方程的DBAR方法及一般非局部约化

Dbar-approach to coupled nonlocal NLS equation and general nonlocal Reduction

Xueru Wang, Junyi Zhu

摘要:

利用$2\times2$ Dbar问题研究了耦合非局部NLS方程。引入两个谱变换矩阵来定义两个相关的Dbar问题。建立了耦合非局部NLS势与Dbar问题解之间的关系。将空间变换方法推广到求解耦合非局部NLS方程及其守恒律。详细讨论了耦合非局部NLS方程到非局部NLS方程的一般非局部化。导出了显式解。

英文摘要:

The coupled nonlocal NLS equation is studied by virtue of the $2\times2$ Dbar-problem. Two spectral transform matrices are introduced to define two associated Dbar-problems. The relations between the coupled nonlocal NLS potential and the solution of the Dbar-problem are constructed. The spatial transform method is extended to obtain the coupled nonlocal NLS equation and its conservation laws. The general nonlocal reduction of the coupled nonlocal NLS equation to the nonlocal NLS equation is discussed in detail. The explicit solutions are derived.

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