Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators.

Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators. Research Abstract Details 

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Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators. Abstract Text:

Taiji Okano,Akane Kitagawa,Kenji Miyakawa,Taiji Okano,Akane Kitagawa,Kenji Miyakawa,

We investigate the spatiotemporal dynamics in a two-dimensional array of excitable elements subjected to independent external noise, where elements are prepared by localizing the Belousov-Zhabotinsky reaction in a gel matrix. We experimentally demonstrate that the coherence of noise-induced firings is improved with increasing the array size, i.e., the occurrence of array-enhanced coherence resonance. Furthermore, it is found that synchronization among oscillators which are barely coupled can be achieved via coherence resonance. Experimental observations are approximately reproduced in a numerical simulation with a forced Oregonator reaction-diffusion model.

Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators. Publishing Authors By Initials

T Okano,A Kitagawa,K Miyakawa,T Okano,A Kitagawa,K Miyakawa,

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Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Physical review. E, Statistical, nonlinear, and so

VOLUME: 76

Page Numbers: 046201

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ISSN: 1539-3755

DAY: 1

MONTH: 10

YEAR: 2007

Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Array-enhanced coherence resonance and phase synchronization in a two-dimensional array of excitable chemical oscillators.

AFFILIATION: Department of Applied Physics, Fukuoka University, Fukuoka 814-0180, Japan.

Country: United States

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MEDLINETA: Phys Rev E Stat Nonlin Soft Ma

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