Issue |
EPL
Volume 83, Number 2, July 2008
|
|
---|---|---|
Article Number | 28002 | |
Number of page(s) | 6 | |
Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
DOI | https://doi.org/10.1209/0295-5075/83/28002 | |
Published online | 23 June 2008 |
Transversal interface dynamics of a front connecting a stripe pattern to a uniform state
1
Departamento de Física, FCFM, Universidad de Chile - Casilla 487-3, Santiago, Chile
2
Complex Systems Group, Facultad de Ingeniería, Universidad de los Andes - Av. San Carlos de Apoquindo 2200, Santiago, Chile
Corresponding author: rrojas@dfi.uchile.cl
Received:
31
January
2008
Accepted:
2
June
2008
Interfaces in two-dimensional systems exhibit unexpected complex dynamical behaviors, the dynamics of a border connecting a stripe pattern and a uniform state is studied. Numerical simulations of a prototype isotropic model, the subcritical Swift-Hohenberg equation, show that this interface has transversal spatial periodic structures, zigzag dynamics and complex coarsening process. Close to a spatial bifurcation, an amended amplitude equation and a one-dimensional interface model allow us to characterize the dynamics exhibited by this interface.
PACS: 89.75.Kd – Patterns / 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2008
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