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http://hdl.handle.net/11154/1302
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Title: | Resonance pacemakers in excitable media |
Authors: | Chigwada, TR Parmananda, P Showalter, K |
Issue Date: | 2006 |
Abstract: | Chemical waves are initiated in an excitable medium by resonance with local periodic forcing of the excitability. Experiments are carried out with a photosensitive Belousov-Zhabotinsky medium, in which the excitability is varied according to the intensity of the imposed illumination. Complex resonance patterns are exhibited as a function of the amplitude and frequency of the forcing. Local resonance-induced wave initiation transforms the medium globally from a quiescent excitable steady state to a periodic state of successive traveling waves. |
URI: | http://hdl.handle.net/11154/1302 |
ISSN: | 0031-9007 |
Appears in Collections: | Ciencias
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