Inwardly Rotating Spiral Waves in a Reaction-Diffusion System
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- 26 October 2001
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 294 (5543) , 835-837
- https://doi.org/10.1126/science.1064167
Abstract
Almost 30 years have passed since the discovery of concentric (target) and spiral waves in the spatially extended Belousov-Zhabotinsky (BZ) reaction. Since then, rotating spirals and target waves have been observed in a variety of physical, chemical, and biological reaction-diffusion systems. All of these waves propagate out from the spiral center or pacemaker. We report observations of inwardly rotating spirals found in the BZ system dispersed in water droplets of a water-in-oil microemulsion. These “antispirals” were also generated in computer simulations.Keywords
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