Zero-dispersion nonlinear resonance.

Soskin, Stanislav M. and Luchinsky, D. G. and Mannella, R. and Neiman, A. B. and McClintock, Peter V. E. (1997) Zero-dispersion nonlinear resonance. International Journal of Bifurcation and Chaos, 7 (4). pp. 923-936. ISSN 0218-1274

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Abstract

Underdamped oscillators that possess a maximm or minimum in their dependence of eigenfrequency on energy have recently been shown to exhibit a range of unusual phenomena. Because they are associated with the presence of an extremum in whose vicinity the eigenfrequency is almost energy-independent, they have been named zero-dispersion phenomena. They manifest themselves both in the deterministic dynamics and in the presence of noise. When the oscillator is driven by a weak periodic force at a frequency close to that of the extremum, a novel type of nonlinear resonance, zeto-dispersion nonlinear resonance (ZDNR) can occur. A giant response then arises even in the absence of resonance between the drive frequency and any eigenoscillation of the system. The properties of ZDNR, the nature of the transition from ZDNR to conventional nonlinear resonance as relevant parameters are varied, the occurrence of dynamical chaos associated with ZDNR, and the influence of noise, are analysed and discussed for both Hamiltonian and dissipative systems.

Item Type:
Journal Article
Journal or Publication Title:
International Journal of Bifurcation and Chaos
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2600/2604
Subjects:
?? applied mathematicsgeneralgeneral engineeringmodelling and simulationengineering(all)qc physics ??
ID Code:
32044
Deposited On:
08 Mar 2010 16:54
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 08:33