title: Chimera patterns under the impact of noise.
abstract: We investigate two types of chimera states, patterns consisting of coexisting spatially separated domains with coherent and incoherent dynamics, in ring networks of Stuart-Landau oscillators with symmetry-breaking coupling, under the influence of noise. Amplitude chimeras are characterized by temporally periodic dynamics throughout the whole network, but spatially incoherent behavior with respect to the amplitudes in a part of the system; they are long-living transients. Chimera death states generalize chimeras to stationary inhomogeneous patterns (oscillation death), which combine spatially coherent and incoherent domains. We analyze the impact of random perturbations, addressing the question of robustness of chimera states in the presence of white noise. We further consider the effect of symmetries applied to random initial conditions.
authors: Institut für Theoretische Physik, Hardenbergstr. 36, Technische Universität Berlin, D-10623 Berlin, Germany.
authors: Sarah A M
authors: SA
authors: Loos
authors: Computational Systems Biology Lab, Campus Ring 1, Jacobs University Bremen, D-28759 Bremen, Germany.
authors: Jens Christian
authors: JC
authors: Claussen
authors: Institut für Theoretische Physik, Hardenbergstr. 36, Technische Universität Berlin, D-10623 Berlin, Germany.
authors: Eckehard
authors: E
authors: Schöll
authors: Institut für Theoretische Physik, Hardenbergstr. 36, Technische Universität Berlin, D-10623 Berlin, Germany.
authors: Anna
authors: A
authors: Zakharova
mesh_terms: D003198:Computer Simulation; D008962:Models, Theoretical; D010507:Periodicity