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Issue 18, 2012
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Turing patterns in the chlorine dioxide–iodine–malonic acid reaction with square spatial periodic forcing

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Abstract

We use the photosensitive chlorine dioxide–iodine–malonic acid reaction–diffusion system to study wavenumber locking of Turing patterns to two-dimensional “square” spatial forcing, implemented as orthogonal sets of bright bands projected onto the reaction medium. Various resonant structures emerge in a broad range of forcing wavelengths and amplitudes, including square lattices and superlattices, one-dimensional stripe patterns and oblique rectangular patterns. Numerical simulations using a model that incorporates additive two-dimensional spatially periodic forcing reproduce well the experimental observations.

Graphical abstract: Turing patterns in the chlorine dioxide–iodine–malonic acid reaction with square spatial periodic forcing

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Article information


Submitted
28 Nov 2011
Accepted
09 Mar 2012
First published
12 Mar 2012

Phys. Chem. Chem. Phys., 2012,14, 6577-6583
Article type
Paper

Turing patterns in the chlorine dioxide–iodine–malonic acid reaction with square spatial periodic forcing

D. Feldman, R. Nagao, T. Bánsági Jr., I. R. Epstein and M. Dolnik, Phys. Chem. Chem. Phys., 2012, 14, 6577
DOI: 10.1039/C2CP23779B

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