Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2001-11-12
Nonlinear Sciences
Pattern Formation and Solitons
4 pages, 2 figures. Submitted to PRL
Scientific paper
Experiments with catalytic CO oxidation on Pt(110) show that chemical turbulence in this system can be suppressed by application of appropriate global delayed feedbacks. Different spatiotemporal patterns, seen near a transition from turbulence to uniform oscillations, are investigated. Using a method based on the Hilbert transform, spatial distributions of local phase and amplitude in such patterns are reconstructed from the experimental data. The observed phenomena are reproduced in simulations using a theoretical model of the reaction.
Bertram Matthias
Ertl Gerhard
Mikhailov Alexander S.
Pollmann Michael
Rotermund Harm H.
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