Controlling chaos by developing spiral wave from heterogeneity in excitable medium

• Authors: Jiang-Xing Chen , Jiang-Rong Xu , Xiang-Peng Zhang , Ju-Wang Zhang , Xiao-Wei Zhang
• Languages of publication: EN

Abstracts

EN

We study pattern formation induced by a spiral wave developing from heterogeneities in an excitable medium. Turbulence can be suppressed by a spiral wave from the heterogeneity, forming multiple coexistent systems of regular geometrical patterns. We find that the types of these patterns depend critically on the degree of heterogeneity. The underlying mechanism is due to dispersion relation which is characterized by excitability.

Keywords

EN

pattern; heterogeneity; control; coexistence

Discipline

• 82.40.Ck: Pattern formation in reactions with diffusion, flow and heat transfer(see also 47.54.-r Pattern selection; pattern formation and 47.32.C- Vortex dynamics in fluid dynamics)
• 87.19.Hh: Cardiac dynamics
• 87.10.-e: General theory and mathematical aspects

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2009
• Volume: 7
• Issue: 1
• Pages: 108-113

Dates

published

1 - 3 - 2009

online

8 - 1 - 2009

Contributors

author

Jiang-Xing Chen

• Department of Physics, Hangzhou Dianzi University, Hangzhou, 310018, China

author

Jiang-Rong Xu

• Department of Physics, Hangzhou Dianzi University, Hangzhou, 310018, China

author

Xiang-Peng Zhang

• Department of Physics, Hangzhou Dianzi University, Hangzhou, 310018, China

author

Ju-Wang Zhang

• Department of Physics, Hangzhou Dianzi University, Hangzhou, 310018, China

author

Xiao-Wei Zhang

• Department of Physics, Hangzhou Dianzi University, Hangzhou, 310018, China

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Identifiers

DOI

10.2478/s11534-008-0139-5