Quasi-electrostatic twisted waves in Lorentzian dusty plasmas

被引：11
作者：
Arshad, Kashif [1 ,2 ]
Lazar, M. [1 ,3 ]
Poedts, S. [1 ]
机构：
[1] CPA, Celestijnenlaan 200B, B-3001 Leuven, Belgium
[2] Pakistan Inst Engn & Appl Sci, Islamabad 45650, Pakistan
[3] Ruhr Univ Bochum, Theoret Phys 4, D-44780 Bochum, Germany
来源：
PLANETARY AND SPACE SCIENCE | 2018年 / 156卷
关键词：
Orbital angular momentum; Laguerre Gaussian; Lorentzian; Helical; Kinetic theory; ION-ACOUSTIC-WAVES; ORBITAL ANGULAR-MOMENTUM; SPACE PLASMAS; KAPPA DISTRIBUTIONS; INSTABILITIES; LIGHT;
D O I：
10.1016/j.pss.2017.10.013
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The quasi electrostatic modes are investigated in non thermal dusty plasma using non-gyrotropic Kappa distribution in the presence of helical electric field. The Laguerre Gaussian (LG) mode function is employed to decompose the perturbed distribution function and helical electric field. The modified dielectric function is obtained for the dust ion acoustic (DIA) and dust acoustic (DA) twisted modes from the solution of Vlasov-Poisson equation. The threshold conditions for the growing modes is also illustrated.
引用
收藏
页码：139 / 146
页数：8
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