Interaction of nonlinear acoustic waves in dusty plasma with Cairns–Gurevich polarization force

IF 4 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical and Quantum Electronics Pub Date : 2025-09-15 DOI:10.1007/s11082-025-08437-0

A. Abdikian, W. Masood

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引用次数: 0

Abstract

This paper investigates the interaction of two dust acoustic solitons in a dusty plasma by considering the influence of the Cairns–Gurevich polarization force. Modified Korteweg–de Vries (mKdV) equations are derived using the modified Poincaré–Lighthill–Kuo method, and the phase shifts in the solitons' trajectories after the interaction are examined. The study reveals that the derived nonlinear equations are influenced by various plasma parameters, including the polarization parameter (\(R\)), dust-to-ion temperature ratio (\({\sigma }_{d}\)), and the number of nonthermal ion parameters (\(\alpha \)). Numerical results demonstrate that only rarefactive electrostatic nonlinear waves can propagate in this system within the range of relevant parameters of the experiment. While the findings align with previous research in terms of phase speed and soliton behavior, this study identifies a new dependency of phase shifts on the amplitudes of the colliding waves, which distinguishes it from earlier works. This study is expected to enhance our understanding of nonlinear localized structures in dusty plasmas with nonthermal trapped ions.

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尘埃等离子体中非线性声波与Cairns-Gurevich极化力的相互作用

考虑凯恩斯-古列维奇极化力的影响，研究了尘埃等离子体中两个尘埃声孤子的相互作用。利用改进的poincar - lighthill - kuo方法推导了修正的Korteweg-de Vries （mKdV）方程，并研究了相互作用后孤子轨迹的相移。研究表明，推导出的非线性方程受到多种等离子体参数的影响，包括极化参数（\(R\)）、尘离子温度比（\({\sigma }_{d}\)）和非热离子参数数（\(\alpha \)）。数值结果表明，在实验的相关参数范围内，只有稀薄的静电非线性波才能在该系统中传播。虽然这些发现与之前在相速度和孤子行为方面的研究一致，但这项研究确定了相移对碰撞波振幅的新依赖关系，这与早期的工作不同。这项研究有望提高我们对尘埃等离子体中非热捕获离子的非线性局域结构的理解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optical and Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.60

自引率

20.00%

发文量

810

审稿时长

3.8 months

期刊介绍： Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest. Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.