Self-Organization of Clusters of Active Brownian Particles in a Colloidal Plasma under the Action of Laser Radiation

IF 1 4区 物理与天体物理 Q4 PHYSICS, APPLIED
M. M. Vasiliev, A. A. Alekseevskaya, K. G. Koss, E. V. Vasilieva, O. F. Petrov
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引用次数: 0

Abstract

Clusters of active Brownian particles in gas-discharge plasma are considered as open systems with energy exchange with the environment. The evolution of a cluster of 19 active Brownian particles with a partially absorbing metal surface (so-called Janus particles) when exposed to intense laser radiation is shown. The formation of strongly correlated clusters of charged particles with increasing laser radiation power was observed experimentally. Based on an analysis of the trajectories of particles, the region of their localization, and changes in their kinetic energy, fractal dimension, and dynamic entropy for different values of laser radiation power density, the self-organization of a cluster of strongly interacting particles in the plasma of a high-frequency glow discharge is studied.

Abstract Image

在激光辐射作用下胶体等离子体中活性布朗粒子群的自组织
摘要 气体放电等离子体中的活性布朗粒子群被视为与环境进行能量交换的开放系统。文中展示了一个由 19 个带部分吸收金属表面的活跃布朗粒子(即所谓的 Janus 粒子)组成的粒子群在强激光辐射下的演变过程。实验观察到,随着激光辐射功率的增加,会形成强相关的带电粒子簇。根据对粒子轨迹、粒子定位区域以及不同激光辐射功率密度值下粒子动能、分形维数和动态熵变化的分析,研究了高频辉光放电等离子体中强相互作用粒子群的自组织。
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来源期刊
High Temperature
High Temperature 物理-物理:应用
CiteScore
1.50
自引率
40.00%
发文量
0
审稿时长
4-8 weeks
期刊介绍: High Temperature is an international peer reviewed journal that publishes original papers and reviews written by theoretical and experimental researchers. The journal deals with properties and processes in low-temperature plasma; thermophysical properties of substances including pure materials, mixtures and alloys; the properties in the vicinity of the critical point, equations of state; phase equilibrium; heat and mass transfer phenomena, in particular, by forced and free convections; processes of boiling and condensation, radiation, and complex heat transfer; experimental methods and apparatuses; high-temperature facilities for power engineering applications, etc. The journal reflects the current trends in thermophysical research. It presents the results of present-day experimental and theoretical studies in the processes of complex heat transfer, thermal, gas dynamic processes, and processes of heat and mass transfer, as well as the latest advances in the theoretical description of the properties of high-temperature media.
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