|
|||||
|
|
Stabilization of spiral wave and turbulence in the excitable media using parameter perturbation scheme |
|
| Authors: | Ma Jun Wang Chun-Ni Jin Wu-Yin Li Yan-Long and Pu Zhong-Sheng |
| Institution: | Colleges of Mechano-Electronic Engineering, Lanzhou University of Technology, Lanzhou 730050, China; Department of Physics, Lanzhou university of Technology, Lanzhou 730050, China; Department of Physics, Lanzhou university of Technology, Lanzhou 730050, China;Department of Physics, Central China Normal University, Wuhan 430079, China |
| Abstract: | This paper proposes a scheme of parameter perturbation to suppress the stable rotating spiral wave, meandering spiral wave and turbulence in the excitable media, which is described by the modified Fitzhugh--Nagumo (MFHN) model. The controllable parameter in the MFHN model is perturbed with a weak pulse and the pulse period is decided by the rotating period of the spiral wave approximatively. It is confirmed that the spiral wave and spiral turbulence can be suppressed greatly. Drift and instability of spiral wave can be observed in the numerical simulation tests before the whole media become homogeneous finally. |
| Keywords: | spiral wave spiral turbulence parameter perturbation |
| 本文献已被 维普 等数据库收录！ | |
| 点击此处可从《中国物理 B》浏览原始摘要信息 | |
| 点击此处可从《中国物理 B》下载免费的PDF全文 | |