An Obliquely Propagating Electromagnetic Lower-Hybrid-Drift Instability in Plasmas with Negative Ions
An Obliquely Propagating Electromagnetic Lower-Hybrid-Drift Instability in Plasmas with Negative Ions作者机构:CAS Key Laboratory of Basic Plasma PhysicsDepartment of Modern PhysicsUniversity of Science and Technology of ChinaHefei 230026China
出 版 物:《Plasma Science and Technology》 (等离子体科学和技术(英文版))
年 卷 期:2007年第9卷第4期
页 面:388-393页
核心收录:
学科分类:080704[工学-流体机械及工程] 080103[工学-流体力学] 08[工学] 0807[工学-动力工程及工程热物理] 0801[工学-力学(可授工学、理学学位)]
基 金:supported by the National Natural Science Foundation of China(Nos.40336052 10375063)
主 题:lower-hybrid-drift frequency instability negative ions local fluid theory
摘 要:In this study, by employing a local fluid theory for warm plasma containing negative ions, an obliquely propagating electromagnetic instability in the lower hybrid frequency range driven by cross-field currents or relative drifts between electrons and ions was investigated. It is found that the growth rate of the lower-hybrid-drift instability (LHDI) can be controlled by appropriate selection of the propagation direction, the wave number and the relative population of the negative ions.