Abstract
The dynamics of spiral waves rotating in a thin layer of the light-sensitive Belousov-Zhabotinsky reaction are controlled by a time-dependent uniform illumination. The intensity of the illumination is taken to be proportional to the average wave activity observed within a circular domain of the reaction layer. It is shown that an increase of the domain size, corresponding to a transition from local to global feedback control, drastically changes the conditions for stabilization and/or destabilization of the rigidly rotating spiral wave. A theoretical approach is proposed in order to explain the experimentally observed phenomena.
| Original language | English |
|---|---|
| Pages (from-to) | 1334-1338 |
| Number of pages | 5 |
| Journal | Physical Chemistry Chemical Physics |
| Volume | 4 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2002 |
| Externally published | Yes |
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