A. F. Taylor
Phase clustering in globally coupled photochemical oscillators
Taylor, A. F.; Kapetanopoulos, P.; Whitaker, B. J.; Toth, R.; Bull, L.; Tinsley, M. R.
Authors
P. Kapetanopoulos
B. J. Whitaker
R. Toth
Lawrence Bull Larry.Bull@uwe.ac.uk
School Director (Research & Enterprise) and Professor
M. R. Tinsley
Abstract
We experimentally investigate the formation of clusters in a population of globally coupled photochemical oscillators. The system consists of catalytic micro-particles in Belousov-Zhabotinsky solution and the coupling exploits the excitatory properties of light; an increase in the light intensity leads to excitation ("firing") of an oscillator. As the coupling strength is increased, a transition occurs from incoherence to clustering, whereby the oscillators split into synchronised groups, to complete synchronisation. Multistability is observed between a one-phase cluster (fully synchronised group) and two-phase clusters (two groups with the same frequency but different phases). The results are reproduced in simulations and we demonstrate that the heterogeneity of the population as well as the relaxational nature of the oscillators is important in the observation of clusters. We also examine the exploitation of the phase model for the prediction of clusters in experiments. © EDP Sciences and Springer 2008.
Citation
Taylor, A. F., Kapetanopoulos, P., Whitaker, B. J., Toth, R., Bull, L., & Tinsley, M. R. (2008). Phase clustering in globally coupled photochemical oscillators. European Physical Journal - Special Topics, 165(1), 137-149. https://doi.org/10.1140/epjst/e2008-00857-9
Journal Article Type | Article |
---|---|
Publication Date | Dec 1, 2008 |
Journal | European Physical Journal: Special Topics |
Print ISSN | 1951-6355 |
Electronic ISSN | 1951-6401 |
Publisher | EDP Sciences |
Peer Reviewed | Peer Reviewed |
Volume | 165 |
Issue | 1 |
Pages | 137-149 |
DOI | https://doi.org/10.1140/epjst/e2008-00857-9 |
Keywords | mechanics, fluids, thermodynamics, physics, Belousov-Zhabotinsky reaction, mechanism, chamical oscillators |
Public URL | https://uwe-repository.worktribe.com/output/1007237 |
Publisher URL | http://www.springer.com |
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