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Diffusion-Induced Chaos in Reaction Systems

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Kuramoto, Yoshiki·1978·Progress of Theoretical Physics Supplement

Abstract

A turbulent state in a distributed chemical reaction system is studied theoretically. The chaotic behavior here is basically due to the unstable growth of a spatial inhomogeneity taking place in an oscillating medium. It is argued that phase turbulence and amplitude turbulence have to be discriminated from each other according to their distinct origins. Two prototype equations describing respective types of turbulence are derived by means of some asymptotic methods, and their solutions turn out toe exhibit successive bifurcations. It is found that the phase turbulence arises essentially from the interaction among a few unstable phase modes, while the amplitude turbulence may well appear in the presence of only one unstable mode with is a mixed mode of the phase and amplitude. In particular, some similarity of the amplitude turbulence to the Lorenz chaos is pointed out. Throughout the present paper, the chaotic behavior is discucssed in connection with spatial pattern, so that no discrete approximations, such as a box-model or mode-truncation, are employed.

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Metadata

Authors
Kuramoto, Y.
Venue
Progress of Theoretical Physics Supplement
Published
1978
Volume
64
Pages
346-367
ISSN
0375-9687 (ISSN-L)
OpenAlex
W2049967935
Cited by
610
References
0
FWCI
9.90
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Diffusion-Induced Chaos in Reaction Systems. https://app.cochat.ai/papers/10.1143/ptps.64.346
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Kuramoto, Y. (1978). Diffusion-Induced Chaos in Reaction Systems. Progress of Theoretical Physics Supplement. https://doi.org/10.1143/ptps.64.346

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