title: Drifting pattern domains in a reaction-diffusion system with nonlocal coupling.
abstract: Drifting pattern domains (DPDs), i.e., moving localized patches of traveling waves embedded in a stationary (Turing) pattern background and vice versa, are observed in simulations of a reaction-diffusion model with nonlocal coupling. Within this model, a region of bistability between Turing patterns and traveling waves arises from a codimension-2 Turing-wave bifurcation (TWB). DPDs are found within that region in a substantial distance from the TWB. We investigated the dynamics of single interfaces between Turing and wave patterns. It is found that DPDs exist due to a locking of the interface velocities, which is imposed by the absence of space-time defects near these interfaces.
authors.affiliation: Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, D-01187 Dresden, Germany.
authors.forename: Ernesto M
authors.initials: EM
authors.lastname: Nicola
authors.forename: Michal
authors.initials: M
authors.lastname: Or-Guil
authors.forename: Wilfried
authors.initials: W
authors.lastname: Wolf
authors.forename: Markus
authors.initials: M
authors.lastname: Bär