Symmetry-breaking on-off intermittency under modulation: Robustness of supersensitivity, resonance and information gain
Bambi Hu, Changsong Zhou
Abstract
Nonlinear dynamical systems possessing an invariant subspace in the phase space and chaotic or stochastic motion within the subspace often display on-off intermittency close to the threshold of stability of the subspace. In a class of symmetric systems, the intermittency is symmetry-breaking [Ying-Cheng Lai, Phys. Rev. E 53. R4267 (1996)]. We report interesting and practically important universal behavior of robustness of supersensitivity, resonance and information gain in this class of systems when subjected to a weak modulation. While intermittent loss of synchronization may be harmful to application of high-quality synchronization of coupled chaotic systems, the features reported here may lead to interesting application of on-off intermittency.
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