Noise effect on the high flow rate chaos of the Belousov-Zhabotinsky reaction

Yoshimoto, Minoru; Katsura, Junichi; Tachiyuki, Daisuke; Kurosawa, Sigeru
June 2000
AIP Conference Proceedings;2000, Vol. 519 Issue 1, p211
Academic Journal
The mechanism of appearance of order on chaos with Gaussian white noise is investigated in the one-dimensional return map of the Belousov-Zhabotinsky chaos. This order (noise-induced order) appears as the constancy of the topological entropy and the decrease of the Kolmogorov entropy. Analysis of the five-times iterated return map reveals that "noise-induced order' is caused by the increase of the length of the laminar region and the subsequent change of the invariant density, where noise generates the stable point on the diagonal. The result of the mutual information also supports this fact.


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