Defect-mediated turbulence in a catalytic surface reaction

Beta, Carsten; Mikhailov, Alexander S.; Rotermund, Harm H.; Ertl, Gerhard

doi:10.1209/epl/i2006-10215-5

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Defect-mediated turbulence in a catalytic surface reaction

Beta, C., Mikhailov, A. S., Rotermund, H. H., & Ertl, G. (2006). Defect-mediated turbulence in a catalytic surface reaction. Europhysics Letters, 75(6), 868-874. doi:10.1209/epl/i2006-10215-5.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-0390-9 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-0391-7

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Urheber:
Beta, Carsten¹, Autor
Mikhailov, Alexander S.¹, Autor
Rotermund, Harm H.¹, Autor
Ertl, Gerhard¹, Autor

Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546

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Schlagwörter: Nonlinear dynamics and chaos; Temporal and spatial patterns in surface reactions; Complex chemical systems

Zusammenfassung: We analyze the statistical properties of topological defects in an experimental reaction-diffusion system – the catalytic CO oxidation on Pt(110). Based on the gain and loss rates of defects, a probabilistic description of defect-mediated turbulence in this system is derived. We observe deviations from theoretical predictions for the statistics of topological defects that can be explained by the presence of short-range correlations between defects and underline the importance of correlations for defect dynamics in such systems.