Laser-induced melting in two-dimensional colloidal system

被引：0
|
作者：
Enomoto, Y [1 ]
Sawa, M [1 ]
Itamoto, H [1 ]
机构：
[1] Nagoya Inst Technol, Dept Environm Technol, Nagoya, Aichi 4668555, Japan
来源：
THIRD INTERNATIONAL SYMPOSIUM ON LASER PRECISION MICROFABRICATION | 2003年 / 4830卷
关键词：
laser-induced melting; laser-induced freezing; Brownian-dynamics simulation; colloidal suspension; structural phase transition;
D O I：
10.1117/12.486513
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The dynamics of a charged two-dimensional colloidal system in the presence of a one-dimensionally modulated laser field is studied by using Brownian dynamics simulations. The present model consists of interacting point particles in two dimensions, including effects of screened Coulomb force, laser-induced periodic force, Stokes drag force, and thermal noise. For the case of low particle density and the laser potential periodicity commensurate with the mean interparticle distance, computer simulation results find four characteristic phases with three crossover as a function of the laser field strength.
引用
收藏
页码：152 / 155
页数：4
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