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Controlling Winfree turbulence in excitable media[J]. PHYSICS, 2008, 37(09): 631-636.
Citation: Controlling Winfree turbulence in excitable media[J]. PHYSICS, 2008, 37(09): 631-636.
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Controlling Winfree turbulence in excitable media

  • (1)北京师范大学物理系 北京 100875

  • (2)浙江近代物理中心浙江大学物理系 杭州 310027

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  • Published Date: September 19, 2008
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  • It is believed that ventricular fibrillation is related to Winfree turbulence in three-dimensional excitable media and much attention has been directed towards how to eliminate effectively this kind of spatiotemporal chaos. We present two schemes to suppress Winfree turbulence: (1) Localized stimulations; these generate control waves which can successfully suppress existing turbulence and dominate the whole system; (2) Spatiotemporal modulation (traveling modulation) of the excitability; in this case, Winfree turbulence can also be eliminated by choosing suitable control parameters.
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