Melting in three-dimensional and two-dimensional Yukawa systems

被引：18
作者：
Vaulina, O. S. [1 ]
Koss, X. G.
机构：
[1] RAS, Joint Inst High Temp, Moscow 125412, Russia
来源：
PHYSICAL REVIEW E | 2015年 / 92卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
TOPOLOGICAL DEFECTS; PHASE-TRANSITIONS; TRIPLE POINT; MACROPARTICLES; TRANSPORT; DYNAMICS; THERMODYNAMICS; FLUID;
D O I：
10.1103/PhysRevE.92.042155
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：
Solid-liquid phase transitions in three-dimensional (3D) and two-dimensional (2D) Yukawa systems were studied numerically and analytically, including the melting of the fcc and bcc 3D lattices, and of a hexagonal primitive (hp) 2D lattice. An approach is proposed for the determination of the melting lines in these systems. The suggested approach takes into account the nonlinearity (anharmonicity) of pair interaction forces and allows one to correctly predict the conditions of melting for 3D and 2D crystal systems. The obtained results are compared with the existing theoretical and numerical data.
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页数：7
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