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Spatially correlated diversity-induced resonance
Dan Wu1, Shiqun Zhu, Xiaoqin Luo
1School of Physical Science and Technology, Suzhou University, Suzhou, Jiangsu 215006, People's Republic of China. wud@suda.edu.cn
Summary
Diversity in coupled bistable oscillators, specifically quenched noise, can create a resonant effect. However, increasing correlation length between diversity reduces this resonance while enhancing spatial synchronization.
Area of Science:
- Physics
- Nonlinear Dynamics
- Complex Systems
Background:
- Recent studies explored coupled bistable oscillators.
- Diversity is a key factor in system dynamics.
Purpose of the Study:
- Extend the study of coupled bistable oscillators with diverse sources.
- Investigate the impact of diversity correlation on resonant response.
Main Methods:
- Analysis of coupled bistable oscillators.
- Introduction of quenched noise as a source of diversity.
- Examination of correlation length effects on system behavior.
Main Results:
- Quenched noise-induced diversity can lead to resonance in response to external signals.
- Increased correlation length between diversity diminishes the resonant effect.
- Spatial synchronization is enhanced by the correlation between diversity.
Conclusions:
- Diversity in coupled systems can induce resonance, but this effect is sensitive to correlation.
- Correlation plays a dual role, suppressing resonance while promoting synchronization.
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