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  Differential susceptibility to noise of mixed Turing and Hopf modes in a photosensitive chemical medium

Alonso, S., Míguez, D. G., & Sagués, F. (2008). Differential susceptibility to noise of mixed Turing and Hopf modes in a photosensitive chemical medium. Europhysics Letters, 81(3): 30006. doi:10.1209/0295-5075/81/30006.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0010-FDB0-0 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-FFAB-A
Genre: Journal Article

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 Creators:
Alonso, Sergio1, Author           
Míguez, David G., Author
Sagués, Francesc, Author
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Free keywords: PACS numbers: 05.40.Ca, 82.40.Ck, 47.54.-r
 Abstract: Pattern formation induced by noise is a celebrated phenomenon in diverse experimental and numerical systems. Here we report experiments with the chlorine dioxide-iodine-malonic acid reaction (CDIMA) when illuminated with spatio-temporal stochastic intensity in the vicinity of the Hopf and Turing codimension-two-bifurcation. A noise-driven phenomenon of attenuation of oscillations is found. Numerical simulations confirm these results and farther away from the Turing-Hopf-boundary permit to unveil a true noise-mediated selection mechanism of Turing patterns over oscillatory modes.

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Language(s): eng - English
 Dates: 2008-02
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 299144
DOI: 10.1209/0295-5075/81/30006
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Title: Europhysics Letters
  Alternative Title : Europhys. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 81 (3) Sequence Number: 30006 Start / End Page: - Identifier: -