Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1865119 | Physics Letters A | 2007 | 5 Pages |
Abstract
Front deformation of initially planar excitation waves can be observed in nonplanar media or in spatially heterogeneously illuminated systems. The deformation of propagating reaction-diffusion waves in either of these systems has been investigated earlier separately. Here we present a combination of both heterogeneous systems, which can lead to a compensation of wave deformations. Our theoretical analysis of the evolution of propagating excitation waves, based on the framework of a kinematical theory, shows that the curvature effect can be compensated by illumination. Supporting experiments were performed with the light-sensitive Belousov-Zhabotinsky system.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
On-Uma Kheowan, Vasily A. Davydov, Niklas Manz, Stefan C. Müller,