Solitary, Periodic, Lump, Breather, and Multisoliton Wave Features in Venusian Mantle

IF 1.6 4区物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS

IEEE Transactions on Plasma Science Pub Date : 2026-10-01 Epub Date: 2026-08-31 DOI:10.1109/TPS.2026.3720678

Kusum Chettri;Snehalata Nasipuri;Prasanta Chatterjee;Asit Saha

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引用次数: 0

Abstract

This research investigates the nonlinear dynamics of ion-acoustic (IA) solitary and periodic waves, multisoliton configurations, breather solutions, and lump waves in the Venusian mantle, at an altitude of 1000–2000 km. The medium is predominantly composed of

$H^{+}$

and

$O^{+}$

ions, solar wind (SW) protons, inertialess isothermal electrons, and SW electrons following a kappa distribution. By employing the reductive perturbation method (RPM), the Zakharov–Kuznetsov (ZK) equation is derived. Through the application of a traveling wave transformation, the ZK equation is converted into a planar dynamical system (DS), and all possible phase portraits are constructed to examine nonlinear solitary and periodic wave behaviors by varying the plasma parameters. Hirota’s bilinear method (HBM) is utilized to investigate multisoliton solutions, breather solutions, and lump wave structures. In addition, the effects of plasma parameters on these waveforms, including nonlinear solitary and periodic waves, multisolitons, breathers, and lump waves, are thoroughly analyzed. The results provide valuable insights into understanding the dynamics of nonlinear waves in the Venusian mantle.

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金星地幔中的孤立波、周期波、块状波、呼吸波和多孤立波特征

本研究研究了金星地幔中离子声（IA）孤立波和周期波、多孤子结构、呼吸解和块波的非线性动力学，高度为1000-2000 km。介质主要由$H^{+}$和$O^{+}$离子、太阳风（SW）质子、无惯性等温电子和遵循kappa分布的SW电子组成。采用约化微扰法（RPM），导出了Zakharov-Kuznetsov方程。通过行波变换，将ZK方程转化为平面动力学系统（DS），并构造了所有可能的相位图，通过改变等离子体参数来检测非线性孤立波和周期波行为。Hirota的双线性方法（HBM）被用于研究多孤子解、呼吸解和块状波结构。此外，还深入分析了等离子体参数对非线性孤立波、周期波、多孤子、呼吸波和块状波等波形的影响。这些结果为理解金星地幔中非线性波的动力学提供了有价值的见解。

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

IEEE Transactions on Plasma Science 物理-物理：流体与等离子体

CiteScore

3.00

自引率

20.00%

发文量

538

审稿时长

3.8 months

期刊介绍： The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.