Evolution of Spiral Waves under Modulated Electric Fields

Chin. Phys. Lett.

2005, Vol. 22

Issue (9): 2176-2179 DOI:

Original Articles

Evolution of Spiral Waves under Modulated Electric Fields

MA Jun^1,2;YING He-Ping²;PAN Guo-Wei²;PU Zhong-Sheng¹

¹Department of Physics, Lanzhou University of Technology, Lanzhou 730050 ²Zhejiang Institute of Modern Physics, Zhejiang University, Hangzhou 310027

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MA Jun, YING He-Ping, PAN Guo-Wei et al 2005 Chin. Phys. Lett. 22 2176-2179

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Abstract Spirals generated from the excitable media within the Barkley model is investigated under the gradient electric fields by a numerical simulation. The spiral drift and spiral break up are observed when the amplitude of the electric fields is modulated by a constant signal or a chaotic signal. It is also verified that, even in the presence of the white noise, the whole system can reach homogeneous states after the spiral breakup, by using an adaptive strategy.

Keywords: 05.45.Gg 05.45.a 47.54.+r 82.40.Ck

Published: 01 September 2005

PACS:	05.45.Gg	(Control of chaos, applications of chaos)
	05.45.a
	47.54.+r
	82.40.Ck	(Pattern formation in reactions with diffusion, flow and heat transfer)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I9/02176

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