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Fluctuations and dissipations in stochastic energetic resonance |
Xue Sheng-Hu (薛生虎), Lin Min (林敏), Meng Ying (孟莹) |
College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China |
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Abstract By analyzing the fluctuations and dissipations of a Brownian particle colliding with the molecules in a fluid, the work exchanged between the Brownian particle constrained in a bistable potential well and an external periodic force is investigated. Characters of the stochastic energetic resonance are found and studied at different intensities of fluctuations and dissipations. The microscopic mechanism of energy exchange between the Brownian particle and the external force is revealed. The method used in this study provides a novel way of controlling the stochastic energetic resonance.
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Received: 13 January 2012
Revised: 28 May 2012
Accepted manuscript online:
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PACS:
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05.40.-a
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(Fluctuation phenomena, random processes, noise, and Brownian motion)
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05.45.-a
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(Nonlinear dynamics and chaos)
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05.70.-a
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(Thermodynamics)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10972207) and the Natural Science Foundation of Zhejiang Province, China (Grant No. Y7080111). |
Corresponding Authors:
Xue Sheng-Hu
E-mail: xueshenghu@cjlu.edu.cn
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Cite this article:
Xue Sheng-Hu (薛生虎), Lin Min (林敏), Meng Ying (孟莹) Fluctuations and dissipations in stochastic energetic resonance 2012 Chin. Phys. B 21 090504
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