Spatial Heterogeneity Induced Antispiral Wave and Spatiotemporal Coherence Resonance

Abstract:

Spiral wave is an important dynamic behavior in several physiological signaling processes, such as the cardiac fibrillation. Since antispiral wave recently been discovered in microemulsion system, it has been intensively studied and discussed. In this work, we find that the spatial noise induced heterogeneity in homogenous system may also induce antispiral formation. Quantitative characterization prove spatiotemporal coherence resonance phenomenon appears, and spatiotemporal noise is more favorable to optimally sustain the antispirals.

• Periodical: Advanced Materials Research (Volume 647)
• Pages: 843-847
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.647.843
• Online since: January 2013
• Authors: Li Qiang Lv, Lin Ji
• Keywords: Nonlinear Dynamics, Spatial Noise, Spatiotemporal Coherence Resonance, Spiral Wave

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