Chin. Phys. Lett.  2002, Vol. 19 Issue (3): 299-301    DOI:
Original Articles |
Stochastic Resonance in Coupled Array Without Periodic Driving
QIAN Min1;ZHANG Xue-Juan1,2
1School of Mathematical Sciences, Peking University, Beijing 100871 2Shaoxing College of Arts and Sciences, Shaoxing 312000
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QIAN Min, ZHANG Xue-Juan 2002 Chin. Phys. Lett. 19 299-301
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Abstract We manifests a stochastic resonance in a two-dimensional square array of coupled oscillators subjected only to white noise and constant driving forces. The result shows that the coherent output of every single oscillator plays a role of the periodic input to its neighbours. Even without periodic driving, the cooperation of the white noise and the coupling can also result in the array enhanced stochastic resonance effect. In our investigation, global as well as local noise perturbation is taken into account.
Keywords: 05.40.-a      05.45.Xt     
Published: 01 March 2002
PACS:  05.40.-a (Fluctuation phenomena, random processes, noise, and Brownian motion)  
  05.45.Xt (Synchronization; coupled oscillators)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2002/V19/I3/0299
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