Active Brownian Motion of Microparticles in a DC Glow Discharge under Laser Radiation
Svetlov A.S. Vasiliev M.M. Golyatina R.I. Maiorov S.A. Petrov O.F.
January 2024Pleiades Publishing
Plasma Physics Reports
2024#50Issue 1173 - 177 pp.
Abstract: The active Brownian motion of single dust particles in a three-dimensional DC discharge trap under the action of laser radiation is experimentally studied. Spherical particles of melamine formaldehyde (MF), part of the surface of which had a copper coating (Janus particle) are used in the experiment. Two-dimensional and three-dimensional analysis methods for root-mean-square displacements are compared. The mean kinetic energy of motion of dust particles at different laser irradiation intensities is determined. The energy balance of dust particles and the influence of their rotation on the nature of the motion are estimated.
active particle , dusty plasma , energy balance , forward motion , gas discharge , laser radiation , rotation , stratum , thermophoresis
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Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, 125412, Russian Federation
Moscow Institute of Physics and Technology, Moscow oblast, Dolgoprudny, 141701, Russian Federation
Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, 119991, Russian Federation
Institute for Experimental and Theoretical Physics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Joint Institute for High Temperatures
Moscow Institute of Physics and Technology
Prokhorov General Physics Institute
Institute for Experimental and Theoretical Physics
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