Twisted electrostatic ion-cyclotron waves in dusty plasmas

被引：19

作者：

Shukla, P. K. ^{[1
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机构：

[1] Ruhr Univ Bochum, Int Ctr Adv Studies Phys Sci, D-44780 Bochum, Germany

[2] Ruhr Univ Bochum, Inst Theoret Phys, Fac Phys & Astron, D-44780 Bochum, Germany

[3] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA

[4] Univ Calif San Diego, Energy Res Ctr, La Jolla, CA 92093 USA

[5] Univ Strathclyde, Dept Phys, SUPA, Glasgow G1 1XQ, Lanark, Scotland

[6] Univ KwaZulu Natal, Sch Chem & Phys, ZA-4000 Durban, South Africa

来源：

PHYSICAL REVIEW E | 2013年 / 87卷 / 01期

关键词：

ACOUSTIC-WAVES; MODES; INSTABILITIES;

D O I：

10.1103/PhysRevE.87.015101

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：

We show the existence of a twisted electrostatic ion-cyclotron (ESIC) wave carrying orbital angular momentum (OAM) in a magnetized dusty plasma. For our purposes, we derive a 3D wave equation for the coupled ESIC and dust ion-acoustic (DIA) waves from the hydrodynamic equations that are composed of the continuity and momentum equations, together with Poisson's equation. The 3D wave equation reveals the formation of a braided or twisted ESIC wave structure carrying OAM. The braided or twisted ESIC wave structure can trap and transport plasma particles in magnetoplasmas, such as those in Saturn's F-ring and in the forthcoming magnetized dusty plasma experiments. DOI: 10.1103/PhysRevE.87.015101

引用

页数：4

共 50 条

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