Spin wave chaos in active resonant rings based on ferromagnetic films

[摘要] Development of a microwave dynamical chaos in an active ring oscillator based on a ferromagnetic film upon a gradual increase of the ring gain has been studied. It was demonstrated that the transition of the system from steady-state to chaotic dynamics is in good agreement with the Ruelle-Takens scenario. The attractors of the dynamic system were reconstructed from the experimentally measured waveforms, and a numerical analysis of their parameters was made.

[发布机构] Department of Physical Electronics and Technology, St.Petersburg Electrotechnical University, 5 Popov Street, St. Petersburg; 197376, Russia^1

[效力级别] 天文学 [学科分类] 天文学(综合)

[关键词] Chaotic dynamics;Dynamical chaos;Ferromagnetic films;Ring oscillator;Steady state;Wave chaos;Wave forms