A Nonlocal Contour Dynamics Model for Chemical Front Motion

Details A Nonlocal Contour Dynamics Model for Chemical Front Motion A Nonlocal Contour Dynamics Model for Chemical Front Motion

1994-01-18

arxiv.org/abs/cond-mat/9401036v1

Physics

Condensed Matter

11 pages, revtex, 4 figures available from authors

Scientific paper

10.1103/PhysRevLett.72.1120

Pattern formation exhibited by a two-dimensional reaction-diffusion system in the fast inhibitor limit is considered from the point of view of interface motion. A dissipative nonlocal equation of motion for the boundary between high and low concentrations of the slow species is derived heuristically. Under these dynamics, a compact domain of high concentration may develop into a space-filling labyrinthine structure in which nearby fronts repel. Similar patterns have been observed recently by Lee, McCormick, Ouyang, and Swinney in a reacting chemical system.

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