Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback

Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback

Experiments with catalytic oxidation of carbon monoxide on Pt(110) show that chemical turbulence in this system can be suppressed by application of appropriate global delayed feedback. Different spatiotemporal patterns, seen near the transition from turbulence to uniform oscillations, are investigat...

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Veröffentlicht in:Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics Statistical physics, plasmas, fluids, and related interdisciplinary topics, 2003-03, Vol.67 (3 Pt 2), p.036208-036208, Article 036208
Hauptverfasser: Bertram, Matthias, Beta, Carsten, Pollmann, Michael, Mikhailov, Alexander S, Rotermund, Harm H, Ertl, Gerhard
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container_title Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
container_volume 67
creator Bertram, Matthias
Beta, Carsten
Pollmann, Michael
Mikhailov, Alexander S
Rotermund, Harm H
Ertl, Gerhard
description Experiments with catalytic oxidation of carbon monoxide on Pt(110) show that chemical turbulence in this system can be suppressed by application of appropriate global delayed feedback. Different spatiotemporal patterns, seen near the transition from turbulence to uniform oscillations, are investigated. Such patterns include intermittent turbulence, oscillatory standing waves, cellular structures, and phase clusters. Using a method based on the Hilbert transform, spatial distributions of local phase and amplitude in these patterns are reconstructed from the experimental data.
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title Pattern formation on the edge of chaos: experiments with CO oxidation on a Pt(110) surface under global delayed feedback
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