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物理学报  2013 

Spatiotemporal modulation induced coexistence of meandering spiral wave and travelling spiral wave
时空调制引起的漫游螺旋波与旅行螺旋波共存现象

Keywords: spatiotemporal modulation,meandering spiral wave,travelling spiral wave
时空调制
,漫游螺旋波,旅行螺旋波

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Abstract:

Spiral dynamics induced by spatiotemporal modulation is investigated in the generic excitable Barkley model. The coexistence of meandering spiral wave and travelling spiral wave in the same medium is discovered under proper spatiotemporal modulation. The underlying mechanism behind this coexistence phenomenon is analyzed. And the two necessary conditions which are needed to observe the coexistence of meandering spiral wave and travelling spiral wave in the excitable Barkley model are discussed.

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