Amplitude Instability in Two-Dimensional Hexagonal Clusters

被引：2
|
作者：
Vaulina, O. S. [1 ,2 ]
机构：
[1] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia
[2] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2018年 / 127卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
YUKAWA SYSTEMS; MACROPARTICLES; POTENTIALS; TRANSITION; DYNAMICS;
D O I：
10.1134/S106377611809011X
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The conditions for the formation of amplitude instabilities in two-dimensional Yukawa systems consisting of seven charged particles have been investigated. An analytical approach to searching for a criterion of the development of such instabilities based on the determination of the inflection point of a system's potential energy when the particles deviate from their equilibrium positions is considered. The results obtained are compared with the melting criteria for extended two-dimensional systems.
引用
收藏
页码：503 / 507
页数：5
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