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Stochastic Signal Induced Multiple Spatial Coherence Resonances and Spiral Waves in Excitable Media |
| LI Yu-Ye1,2, ZHANG Hui-Min2, WEI Chun-Ling2, YANG Ming-Hao2, GU Hua-Guang2, REN Wei2 |
| 1Department of Mathematics, Institute of Chifeng, Chifeng 0240002College of Life Science, Shaanxi Normal University, Xi'an 710062 |
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| Cite this article: |
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LI Yu-Ye, ZHANG Hui-Min, WEI Chun-Ling et al 2009 Chin. Phys. Lett. 26 030504 |
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Abstract Multiple spatial coherence resonances and spiral waves with various temporal-spatial structures are simulated in a two-dimensional network of excitable cells driven by a stochastic signal. The relationship between the multiple resonances and correspondingly different transitions of the spiral wave are elucidated. The results further provide a possible approach of applications of stochastic signal to evoke pattern transitions in excitable media.
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| Keywords:
05.45.Xt
87.18.Tt
87.18.Hf
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Received: 11 December 2008
Published: 19 February 2009
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| PACS: |
05.45.Xt
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(Synchronization; coupled oscillators)
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87.18.Tt
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(Noise in biological systems)
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87.18.Hf
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(Spatiotemporal pattern formation in cellular populations)
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