title: Rearrangement dynamics of fishbonelike Turing patterns generated by spatial periodic forcing.
abstract: External forcing can greatly affect the evolution of Turing patterns in reaction-diffusion (RD) media. Here, we employ spatially periodic illumination in a photosensitive RD system to create Turing structures that are repetitive in one direction. We then study their relaxation in the absence of light. These unforced, fishbonelike configurations undergo self-reorganization and establish stationary arrangements, some of which fully exhibit, while others partially or completely lose, the symmetry of the initially imposed pattern.
authors.affiliation: Department of Chemistry and Volen Center for Complex Systems, Brandeis University, Waltham, Massachusetts 02454-9110, USA.
authors.forename: Tamás
authors.initials: T
authors.lastname: Bánsági
authors.forename: Sama
authors.initials: S
authors.lastname: Ansari
authors.forename: Irving R
authors.initials: IR
authors.lastname: Epstein
authors.forename: Milos
authors.initials: M
authors.lastname: Dolnik