Synchronization of spatiotemporal patterns in locally coupled excitable media

被引:44
|
作者
Hildebrand, M [1 ]
Cui, JX
Mihaliuk, E
Wang, JC
Showalter, K
机构
[1] W Virginia Univ, Dept Chem, Morgantown, WV 26506 USA
[2] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
[3] Univ Windsor, Dept Chem & Biochem, Windsor, ON N9B 3P4, Canada
来源
PHYSICAL REVIEW E | 2003年 / 68卷 / 02期
关键词
D O I
10.1103/PhysRevE.68.026205
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
The synchronization of two distributed Belousov-Zhabotinsky systems is experimentally and theoretically investigated. Symmetric local coupling of the systems is made possible with the use of a video camera-projector scheme. The spatial disorder of the coupled systems, with random initial configurations of spirals, gradually decreases until a final state is attained, which corresponds to a synchronized state with a single spiral in each system. The experimental observations are confirmed with numerical simulations of two identical Oregonator models with symmetric local coupling, and a systematic study reveals generalized synchronization of spiral waves. Several different types of synchronization attractors are distinguished.
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页数:4
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