Pattern and velocity selection of fronts propagating in modulated media

We study the problem of pattern and velocity selection of morphologically stable two-dimensional fronts propagating in a spatially modulated medium. The generic system is governed by a local equation and evolves towards a non-trivial steady state with a spatial structure which arises from non-local...

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Bibliographic Details
Published in:Europhysics letters 1996-02, Vol.33 (6), p.429-434
Main Authors: Armero, J, Lacasta, A. M, Ramírez-Piscina, L, Casademunt, J, Sancho, J. M, Sagués, F
Format: Article
Language:English
Subjects:
03.40.Kf
47.20.Ky
47.54.+r
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Summary:We study the problem of pattern and velocity selection of morphologically stable two-dimensional fronts propagating in a spatially modulated medium. The generic system is governed by a local equation and evolves towards a non-trivial steady state with a spatial structure which arises from non-local competition effects and does not necessarily mimic the local structure externally fixed by the modulation. The dynamical process leading to this steady state is studied both analytically and numerically.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i1996-00357-4