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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Multi-pole solutions and their asymptotic analysis of the focusing Ablowitz-Ladik equation
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Multi-pole solutions and their asymptotic analysis of the focusing Ablowitz-Ladik equation

机译:多极解及其对聚焦ABLOTZ-Ladik方程的渐近分析

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For the focusing Ablowitz-Ladik equation, the double- and triple-pole solutions are derived from its multi-soliton solutions via some limit technique. Also, the asymptotic analysis is performed for such two multi-pole solutions (MPSs) by considering the balance between exponential and algebraic terms. Like the continuous nonlinear Schrodinger equation, the discrete MPSs describe the elastic interactions of multiple solitons with the same amplitudes. But in contrast to the common multi-soliton solutions, most asymptotic solitons in the MPSs are localized in the curves of the nt plane, and thus they have the time-dependent velocities. In addition, the solitons' relative distances grow logarithmically with vertical bar t vertical bar, while the separation acceleration magnitudes decrease exponentially with their distance.
机译:对于聚焦ABLOTZ-LADIK方程,双极和三极解通过通过一些限制技术源自其多孤子溶液。 此外,通过考虑指数和代数术语之间的平衡,对这种两个多极解决方案(MPS)进行渐近分析。 与连续的非线性Schrodinger方程类似,离散MPS描述了具有相同幅度的多个孤子的弹性相互作用。 但与常见的多孤子解决方案相反,MPS中的大多数渐近孤子在NT平面的曲线中局部化,因此它们具有时间依赖性速度。 另外,孤子的相对距离与垂直条形图T垂直杆对数生长,而分离加速度幅度随着距离而呈指数下降。

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