Kinetic Process of a 2D Phase Transition

被引：1

作者：

Knapek, C. A. ^{[1
]}

Durniak, C. ^{[2
]}

Samsonov, D. ^{[2
]}

Morfill, G. E. ^{[1
]}

机构：

[1] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany

[2] Univ Liverpool, Dept Elect Engn & Elect, Liverpool L69 3BX, Merseyside, England

来源：

DUSTY/COMPLEX PLASMAS: BASIC AND INTERDISCIPLINARY RESEARCH: SIXTH INTERNATIONAL CONFERENCE ON THE PHYSICS OF DUSTY PLASMAS | 2011年 / 1397卷

关键词：

complex plasma; phase transition; two-dimensional; kinetic theory; grain boundaries; COMPLEX PLASMAS;

D O I：

10.1063/1.3659843

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The mechanisms dominating the dynamical behavior of a 2D system of charged microparticles immersed in a plasma during a non-equilibrium phase transition from an unordered to a crystalline state are investigated experimentally. It is found that lattice defects play a decisive role in determining the nature of the transition. This result is deduced from the analysis of defect arrangements and consideration of energy distribution and the application of a new theoretical model of a phase transition in a 2D system [1, 2]. The experimental findings are supported by a molecular-dynamics simulation of a 2D system of particles crystallizing into an ordered structure.

引用

页数：2

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