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Complex pacemakers and wave sinks in heterogeneous oscillatory chemical systems

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Stich,  Michael
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Mikhailov,  Alexander S.
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Stich, M., & Mikhailov, A. S. (2002). Complex pacemakers and wave sinks in heterogeneous oscillatory chemical systems. Zeitschrift für Physikalische Chemie, 216(04), 521-533. Retrieved from http://www.oldenbourg.de/cgi-bin/roabstracts?A=2957.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-1561-F
Abstract
We investigate pattern formation in oscillatory reaction-diffusion systems where wave sources and sinks are created by a local shift of the oscillation frequency. General properties of resulting wave patterns in media with positive and negative dispersion are discussed. It is shown that phase slips in the wave patterns develop for strong frequency shifts, indicating the onset of desynchronization in the medium.