Journal
PHYSICAL REVIEW E
Volume 78, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.78.046111
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Funding
- NNSF of China [10775052, 10635040]
- National Basic Research Program of China [2007CB814800]
- Ministry of Education, Science, Sports and Culture, Japan
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We study numerically the effect of a scale-free topology on the signal-to-noise ratio of networked two-state systems and find a double resonance phenomenon, i.e., a resonance on coupling strength and a stochastic resonance on noise strength. This finding suggests an alternative approach of self-tuning, i.e., tuning from the scale-free topology, instead of the self-tuning of potential. A heuristic theory through a starlike network is presented to explain the double resonance.
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