Experimental Evidence of Time-Delay-Induced Death in Coupled Limit-Cycle Oscillators
2000; American Physical Society; Volume: 85; Issue: 16 Linguagem: Inglês
10.1103/physrevlett.85.3381
ISSN1092-0145
AutoresD. V. Ramana Reddy, Abhijit Sen, George L. Johnston,
Tópico(s)Plant Stress Responses and Tolerance
ResumoExperimental observations of time-delay-induced amplitude death in two coupled nonlinear electronic circuits that are individually capable of exhibiting limit-cycle oscillations are described. The existence of multiply connected death islands in the parameter space of coupling strength and time delay for coupled identical oscillators is established. The existence of such regions was predicted earlier on theoretical grounds [Phys. Rev. Lett. 80, 5109 (1998); Physica (Amsterdam) 129D, 15 (1999)]. The experiments also reveal the occurrence of multiple frequency states, frequency suppression of oscillations with increased time delay, and the onset of both in-phase and antiphase collective oscillations.
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