Effects of external noise on anomalous diffusion in Hamiltonian dynamical systems

被引：3
|
作者：
Ishizaki, R [1 ]
Shibata, H
Mori, K
机构：
[1] Fukuoka Prefectural Univ, Fac Integrated Humane Studies & Social Sci, Tagawa, Japan
[2] Kumamoto Inst Technol, Dept Gen Educ, Kumamoto 8600082, Japan
[3] Kyushu Kyoritsu Univ, Kitakyushu, Fukuoka 8078585, Japan
来源：
PROGRESS OF THEORETICAL PHYSICS | 2000年 / 103卷 / 02期
关键词：
D O I：
10.1143/PTP.103.245
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effect of external noise on diffusion processes in a Hamiltonian system with an external force is studied. This is represented by the standard map with an external force. When external noise is applied to the system, we find strongly enhanced diffusion in a parameter range in which anomalous diffusion occurs. Although chaotic orbits are not deterministic in a strict sense, because the system includes noises, they exhibit Levy flight due to the intermittent sticking to transient tori.
引用
收藏
页码：245 / 259
页数：15
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