Intermittency and deterministic diffusion in chaotic ratchets

被引：8
|
作者：
Mateos, Jose L. [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Fis, Apartado Postal 20-364, Mexico City 01000, DF, Mexico
来源：
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2003年 / 8卷 / 3-4期
关键词：
Ratchets; Chaotic transport; Intermittency; Deterministic diffusion; Brownian motors;
D O I：
10.1016/S1007-5704(03)00042-X
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We consider the problem of deterministic transport of particles in an asymmetric periodic ratchet potential of the rocking type. When the inertial term is taken into account, the dynamics can be chaotic and modify the transport properties. We calculate the bifurcation diagram as a function of the amplitude of forcing and analyze in detail the crisis bifurcation that leads to current reversals. Near this bifurcation we obtain intermittency and anomalous deterministic diffusion. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：253 / 263
页数：11
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