High frequency drift instabilities in a dusty plasma

Details High frequency drift instabilities in a dusty plasma High frequency drift instabilities in a dusty plasma

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994p%26ss...42..889r&link_type=abstract

Planetary and Space Science (ISSN 0032-0633), vol. 42, no. 10, p. 889-894

Physics

12

Dust, Electron Density (Concentration), Magnetic Fields, Magnetohydrodynamic Stability, Plasmas (Physics), Diamagnetism, Ion Currents, Maxwell Equation, Saturn Rings

Scientific paper

High frequency drift instabilities with omega(sub ce) much greater than omega which is greater than omega(sub ci) are investigated in a dusty magnetized plasma in which locally there is an electron density gradient which is opposite in sign to a dust density gradient. Two different equilibria are considered, characterized by rho(sub d) greater than L(sub d) and less than L(sub d), where rho(sub d) is the dust gyroradius and L(sub nd) is the dust density scale length. Possible application to Saturn's F-ring is discussed.

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