Spiral Wave Generation in a Vortex Electric Field

The effect of a vortical electric field on nonlinear patterns in excitable media is studied. When an appropriate vortex electric field is applied, the system exhibits pattern transition from chemical turbulence to spiral waves, which possess the same chirality as the vortex electric field. The under...

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Bibliographic Details
Published in:Chinese physics letters 2011-10, Vol.28 (10), p.100505-1-100505-4, Article 100505
Main Authors: Yuan, Xiao-Ping (晓平 袁), Chen, Jiang-Xing (江星 陈), Zhao, Ye-Hua (叶华 赵), Lou, Qin (钦楼), Wang, Lu-Lu (璐璐 王), Shen, Qian (谦沈)
Format: Article
Language:English
Subjects:
Electric fields
Fluid flow
Spirals
Strategy
Turbulence
Turbulent flow
Vortices
Wave generation
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Summary:The effect of a vortical electric field on nonlinear patterns in excitable media is studied. When an appropriate vortex electric field is applied, the system exhibits pattern transition from chemical turbulence to spiral waves, which possess the same chirality as the vortex electric field. The underlying mechanism of this is discussed. We also show the meandering behavior of a spiral under the taming of a vortex electric field. The results obtained here may contribute to control strategies of patterns on surface reaction.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/28/10/100505