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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Resonant multi-soliton solutions to the (2+1)-dimensional Sawada-Kotera equations via the simplified form of the linear superposition principle
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Resonant multi-soliton solutions to the (2+1)-dimensional Sawada-Kotera equations via the simplified form of the linear superposition principle

机译:通过线性叠加原理的简化形式,谐振多孤子解决方案(2 + 1) - 二维纹理方程

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摘要

In this work, a simplified form of the linear superposition principle is proposed to facilitate the computational work and make the resonant multi-soliton solutions easily generated. The (2 + 1)-dimensional Sawada-Kotera (SK) equation, one of fifth-order KdV-like equations describing the nonlinear wave phenomena in shallow water, ion-acoustic waves in plasmas, etc., is investigated. Moreover, in order to demonstrate the power of the proposed method, a new version of the SK equation is further considered and examined. The general forms of resonant multi-soliton solutions are formally established. Furthermore, by taking about reverse engineering of the generated solutions, various versions of the (2 + 1)-dimensional SK equation can be derived that may make great contributions to real physical phenomena and enrich the related nonlinear sciences. Finally, the propagations of two- and three-soliton waves are presented.
机译:在这项工作中,提出了一种简化的线性叠加原理形式,以促进计算工作,并使谐振多孤子解决方案容易产生。 研究了(2 + 1)-dimensional Sawada-kotera(SK)方程,研究了描述浅水中的非线性波现象的第五阶KDV样方程之一,等离子体中的离子声波等。 此外,为了证明所提出的方法的力量,进一步考虑并检查了新版本的SK方程。 正式建立了共振多孤子溶液的一般形式。 此外,通过考虑所产生的解决方案的逆向工程,可以导出(2 + 1)-dimensional SK方程的各种版本,其可以对真实物理现象产生巨大贡献,并丰富相关的非线性科学。 最后,提出了两个和三个波浪的传播。

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