Collapse of spatiotemporal chaos

被引：33
|
作者：
Wackerbauer, R [1 ]
Showalter, K
机构：
[1] Univ Alaska, Dept Phys, Fairbanks, AK 99775 USA
[2] W Virginia Univ, Dept Chem, Morgantown, WV 26506 USA
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 17期
关键词：
D O I：
10.1103/PhysRevLett.91.174103
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The transient nature of spatiotemporal chaos is examined in reaction-diffusion systems with coexisting stable states. We find the apparent asymptotic spatiotemporal chaos of the Gray-Scott system to be transient, with the average transient lifetime increasing exponentially with medium size. The collapse of spatiotemporal chaos arises when statistical spatial correlations produce a quasihomogeneous medium, and the system obeys its zero-dimensional dynamics to relax to its stable asymptotic state.
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页数：4
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