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Science 15 June 1973:
Vol. 180. no. 4091, pp. 1171 - 1173
DOI: 10.1126/science.180.4091.1171
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Articles

Horizontal Bands in the Belousov Reaction

N. Kopell 1 and L. N. Howard 2

1 Department of Mathematics, Northeastern University, Boston, Massachusetts 02115
2 Department of Mathematics, Massachusetts Institute of Technology, Cambridge 02139

The formation and propagation of spatial patterns in the presence of an initial gradient in temperature or the concentration of one or more of the reactants is explained kinematically. Experimental verification of this mechanism is given, showing that diffusion plays a very minor role in the formation of the bands.


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