中国物理B ›› 2012, Vol. 21 ›› Issue (9): 90504-090504.doi: 10.1088/1674-1056/21/9/090504

• GENERAL • 上一篇    下一篇

Fluctuations and dissipations in stochastic energetic resonance

薛生虎, 林敏, 孟莹   

  1. College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China
  • 收稿日期:2012-01-13 修回日期:2012-05-28 出版日期:2012-08-01 发布日期:2012-08-01
  • 基金资助:
    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).

Fluctuations and dissipations in stochastic energetic resonance

Xue Sheng-Hu (薛生虎), Lin Min (林敏), Meng Ying (孟莹)   

  1. College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China
  • Received:2012-01-13 Revised:2012-05-28 Online:2012-08-01 Published:2012-08-01
  • Contact: Xue Sheng-Hu E-mail:xueshenghu@cjlu.edu.cn
  • Supported by:
    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).

摘要: 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.

关键词: stochastic energetic resonance, fluctuation, dissipation, bistable system

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.

Key words: stochastic energetic resonance, fluctuation, dissipation, bistable system

中图分类号:  (Fluctuation phenomena, random processes, noise, and Brownian motion)

  • 05.40.-a
05.45.-a (Nonlinear dynamics and chaos) 05.70.-a (Thermodynamics)