Rotating Spiral Waves Created by Geometry

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Science  17 Jun 1994:
Vol. 264, Issue 5166, pp. 1746-1748
DOI: 10.1126/science.264.5166.1746


The Belousov-Zhabotinsky reagent and numerical simulations were used to show that under high-frequency stimuli, rotating spiral waves can be initiated in a homogeneous excitable medium in the vicinity of domain boundaries or inexcitable barriers with sharp corners.