Dissipative structures in a parametrically driven dissipative lattice: Chimera, localized disorder, continuous-wave, and staggered states

A. M. Cabanas*, J. A. Vélez, L. M. Pérez, P. Díaz, M. G. Clerc, D. Laroze, B. A. Malomed

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Discrete dissipative coupled systems exhibit complex behavior such as chaos, spatiotemporal intermittence, chimeras among others. We construct and investigate chimera states, in the form of confined stationary and dynamical states in a chain of parametrically driven sites with onsite damping and cubic nonlinearity. The system is modeled by the respective discrete parametrically driven damped nonlinear Schrödinger equation. Chimeras feature quasi-periodic or chaotic dynamics in the filled area, quantified by time dependence of the total norm (along with its power spectrum), and by the largest Lyapunov exponent. Systematic numerical simulations, in combination with some analytical results, reveal regions in the parameter space populated by stable localized states of different types. A phase transition from the stationary disordered states to spatially confined dynamical chaotic one is identified. Essential parameters of the system are the strength and detuning of the forcing, as well as the lattice's coupling constant.

Original languageEnglish
Article number110880
JournalChaos, Solitons and Fractals
Volume146
DOIs
StatePublished - May 2021

Keywords

  • Chaos
  • Chimera states
  • Localized disorder

Fingerprint

Dive into the research topics of 'Dissipative structures in a parametrically driven dissipative lattice: Chimera, localized disorder, continuous-wave, and staggered states'. Together they form a unique fingerprint.

Cite this