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Journal Article

Spatial symmetry breaking in the Belousov-Zhabotinsky reaction with light-induced remote communication

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

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Showalter,  Kenneth
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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e088303.pdf
(Publisher version), 267KB

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Citation

Hildebrand, M., Skødt, H., & Showalter, K. (2001). Spatial symmetry breaking in the Belousov-Zhabotinsky reaction with light-induced remote communication. Physical Review Letters, 87(8), 088303-1-088303-4. doi:10.1103/PhysRevLett.87.088303.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-17CE-D
Abstract
Domains containing spiral waves form on a stationary background in a photosensitive Belousov-Zhabotinsky reaction with light-induced alternating nonlocal feedback. Complex behavior of colliding and splitting wave fragments is found with feedback radii comparable to the spiral wavelength. A linear stability analysis of the uniform stationary states in an Oregonator model reveals a spatial symmetry breaking instability. Numerical simulations show behavior in agreement with that found experimentally and also predict a variety of other new patterns.