Ion Acoustic Cnoidal Waves in Ion-Beam Dense Plasma in the Presence of Quantizing Magnetic Field

被引：4

作者：

Kaur, Rupinder ^{[1
]}

Singh, Kuldeep ^{[1
]}

Saini, N. S. ^{[1
]}

机构：

[1] Guru Nanak Dev Univ, Dept Phys, Amritsar 143005, Punjab, India

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2021年 / 49卷 / 05期

关键词：

Plasmas; Ions; Electron traps; Magnetosphere; Magnetoacoustic effects; Perturbation methods; Ion beams; Cnoidal waves; ion beam; Korteweg-de Vries (KdV) equation; quantizing magnetic field; trapped electrons; PHYSICS;

D O I：

10.1109/TPS.2021.3069892

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A study of propagation properties of ion-acoustic (IA) cnoidal waves in a magnetized degenerate quantum plasma comprising of inertial positive ions, weakly relativistic ion beam, and trapped electrons in the presence of quantizing magnetic field has been presented. The reductive perturbation technique is adopted to derive the Korteweg-de Vries (KdV)-type equation. Furthermore, the cnoidal wave solution of the KdV-type equation is obtained by using the Sagdeev pseudopotential method. Only positive potential IA cnoidal waves are evolved. The combined effects of ion-beam concentration, ion-beam velocity, quantizing magnetic field, and the temperature degeneracy of trapped electrons on the different characteristics of the IA cnoidal waves have been analyzed. The results of our present investigation may be useful to study the characteristics of IA cnoidal waves in dense astrophysical regions, such as white dwarfs.

引用

页码：1686 / 1693

页数：8

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