A theory for spiral wave drift induced by ac and polarized electric fields in 
chemical excitable media

Li, T. C.; Gao, Xiang; Zheng, F. F.; Pan, D. B.; Zheng, B.; Zhang, H.

doi:10.1038/s41598-017-09092-6

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A theory for spiral wave drift induced by ac and polarized electric fields in chemical excitable media

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Gao, Xiang
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Li, T. C., Gao, X., Zheng, F. F., Pan, D. B., Zheng, B., & Zhang, H. (2017). A theory for spiral wave drift induced by ac and polarized electric fields in chemical excitable media. Scientic Reports, 7: 8657. doi:10.1038/s41598-017-09092-6.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-D8E5-8

Abstract

Spiral waves are shown to undergo directional drifts in the presence of ac and polarized electric fields when their frequencies are twice of the spiral frequencies. Here, we propose a quantitative description for the spiral wave drift induced by weak electric fields, and provide the explicit equations for the spiral wave drift speed and direction. Numerical simulations are performed to demonstrate the quantitative agreement with analytical results in both weakly and highly excitable media.