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

页码：503 / 507

页数：5

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