Effect of charged dust on Hall current instabilities in the E region

Author

Rosenberg, Marlene

Author_Institution

Dept. of Electr. & Comput. Eng., California Univ., San Diego, La Jolla, CA, USA

Volume

29

Issue

2

fYear

2001

fDate

4/1/2001 12:00:00 AM

Firstpage

261

Lastpage

266

Abstract

The effect of charged dust on Hall current instabilities in the ion frequency regime is investigated for plasma parameters representative of the lower E region of the ionosphere above about 95 km. Linear kinetic theory is used, and both the longer wavelength Farley-Buneman two-stream instability and the shorter wavelength, higher frequency Hall current instability are considered. Under daytime conditions, it is found that the presence of negatively (positively) charged dust can increase (decrease) the critical drift for the Farley-Buneman instability. In addition, the presence of positively charged dust can increase the critical drift for the shorter wavelength, higher frequency instability. Possible application to dusty regions such as meteor trails is briefly discussed

Keywords

E-region; astrophysical plasma; dusty plasmas; meteors; plasma impurities; plasma instability; plasma kinetic theory; plasma magnetohydrodynamics; plasma transport processes; 95 km; E region; Farley-Buneman instability; Farley-Buneman two-stream instability; Hall current instabilities; Hall current instability; charged dust; critical drift; daytime conditions; dusty regions; ion frequency regime; ionosphere; linear kinetic theory; longer wavelength Farley-Buneman two-stream instability; lower E region; meteor trails; negatively charged dust; plasma parameters; positively charged dust; shorter wavelength higher frequency instability; Clouds; Dusty plasma; Electrons; Frequency; Ionosphere; Kinetic theory; Magnetic fields; Plasma applications; Plasma waves; Radar;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/27.923704

Filename

923704