KINK DYNAMICS AND KINK-PAIR NUCLEATION IN THE DISCRETE FRENKEL-KONTOROVA MODEL

被引：12
|
作者：
MUNAKATA, T
机构：
[1] Department of Applied Mathematics and Physics, Kyoto University
来源：
PHYSICAL REVIEW A | 1992年 / 45卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.45.1230
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Statistical dynamical properties of the Frenkel-Kontorova model in an external field are studied with main emphasis put on kink-pair nucleation and kink movement at low temperatures. Our method of constraint(s) together with the transition state theory make it possible to determine the N-dimensional saddle-point configuration and to obtain velocity for kink movement, rate for kink-pair nucleation, and consequently velocity for chain propagation. Generalization of the method used in this paper is also presented.
引用
收藏
页码：1230 / 1237
页数：8
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