Enhancement of noise-induced escape through the existence of a chaotic saddle

被引：22
|
作者：
Kraut, S
Feudel, U
机构：
[1] Univ Potsdam, Inst Phys, D-14415 Potsdam, Germany
[2] Carl von Ossietzky Univ Oldenburg, ICBM, D-26111 Oldenburg, Germany
来源：
PHYSICAL REVIEW E | 2003年 / 67卷 / 01期
关键词：
D O I：
10.1103/PhysRevE.67.015204
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：
We study the noise-induced escape process in a prototype dissipative nonequilibrium system, the Ikeda map. In the presence of a chaotic saddle embedded in the basin of attraction of the metastable state, we find the novel phenomenon of a strong enhancement of noise-induced escape. This result is established by employing the theory of quasipotentials. Our finding is of general validity and should be experimentally observable.
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页数：4
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