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Spatio-temporal pattern formation with oscillatory chemical reaction and continuous photon flux on a micrometre scale

Hiroyuki Kitahata and Kenichi Yoshikawa1

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Over the past few decades, spontaneous pattern formation in reaction–diffusion systems has been actively studied both theoretically and experimentally. In this article, we report novel phenomena that are generated beyond the framework of usual reaction–diffusion systems: (1) chemical wave propagation under the effect of a boundary, (2) convection in a reaction–diffusion system, and (3) dynamical phase separation under nonequilibrium conditions caused by a focused laser. All of these phenomena are generated as a result of cross-hierarchical interaction between macroscopic and mesoscopic scales.


PACS

82.40.Ck Pattern formation in reactions with diffusion, flow and heat transfer

82.40.Bj Oscillations, chaos, and bifurcations

82.40.Np Temporal and spatial patterns in surface reactions

Subjects

Chemical physics and physical chemistry

Dates

Issue 49 (14 December 2005)

Received 30 June 2005, in final form 19 July 2005

Published 25 November 2005



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