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Journal Article

Anomalous Dispersion and Pulse Interaction in an Excitable Surface Reaction.

MPS-Authors
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Christoph,  Johannes
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Eiswirth,  Markus
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Bär,  Markus
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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PhysRevLett.82.1586.pdf
(Publisher version), 225KB

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Citation

Christoph, J., Eiswirth, M., Hartmann, N., Imbihl, R., Kevrekidis, I., & Bär, M. (1999). Anomalous Dispersion and Pulse Interaction in an Excitable Surface Reaction. Physical Review Letters, 82(7), 1586-1589. doi:10.1103/PhysRevLett.82.1586.


Cite as: https://hdl.handle.net/21.11116/0000-0008-DC4E-A
Abstract
Experiments on the catalytic reduction of NO with CO on a Pt(100) surface reveal attractive interaction between pulses leading to the eventual merging of two pulses to a single one. The results can be reproduced with a realistic reaction-diffusion model which yields a negative slope in the dispersion relation over a large range of the interpulse distance.