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4. Dust-Acoustic Nonlinear Waves in a Nanoparticle Fraction of Ultracold (2K) Multicomponent Dusty Plasma.

Author

Trukhachev, Fedor M., Boltnev, Roman E., Vasiliev, Mikhail M., and Petrov, Oleg F.

Subjects
*DUSTY plasmas, *DEBYE length, *ION temperature, *NONLINEAR waves, *WAVE analysis, *DUST, *GLOW discharges
Abstract

The nonlinear dust-acoustic instability in the condensed submicron fraction of dust particles in the low-pressure glow discharge at ultra-low temperatures is experimentally and theoretically investigated. The main discharge parameters are estimated on the basisof the dust-acoustic wave analysis. In particular, the temperature and density of ions, as well as the Debye radius, are determined. It is shown that the ion temperature exceeds the temperature of the neutral gas. The drift characteristics of all plasma fractions are estimated. The reasons for the instability excitation are considered. [ABSTRACT FROM AUTHOR]

Published
2022
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