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Journal Article

Synchronization of spatiotemporal patterns in locally coupled excitable media

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Hildebrand,  Michael
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Showalter,  Kenneth
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Fulltext (public)

PhysRevE.68.026205.pdf
(Publisher version), 205KB

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Citation

Hildebrand, M., Cui, J., Mihaliuk, E., Wang, J., & Showalter, K. (2003). Synchronization of spatiotemporal patterns in locally coupled excitable media. Physical Review E, 68(02), 026205-1-026205-4. doi:10.1103/PhysRevE.68.026205.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-0F6C-E
Abstract
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.