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The roles of ratchet in transport of two coupled particles

Author

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  • Wang, Hai-Yan
  • Bao, Jing-Dong

Abstract

The properties of a ratchet system rectifying the random motion of two harmonically coupled particles with arbitrary coupling strengths are studied via Langevin simulations. In comparison with the result of single particle, our results show that the average center-of-mass velocity vc of two particles is larger than the average velocity v1 of single particle in the rocking ratchet for low-to-moderate noise intensities, however, vc

Suggested Citation

  • Wang, Hai-Yan & Bao, Jing-Dong, 2004. "The roles of ratchet in transport of two coupled particles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 337(1), pages 13-26.
    • Handle: RePEc:eee:phsmap:v:337:y:2004:i:1:p:13-26
    DOI: 10.1016/j.physa.2004.01.031
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    Cited by:

    1. Wu, Wei & Bao, Jing-Dong, 2004. "Coupling-induced transition of states in an asymmetrical double-well potential," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 338(3), pages 417-424.
    2. Li, Chen-Pu & Chen, Hong-Bin & Fan, Hong & Xie, Ge-Ying & Zheng, Zhi-Gang, 2018. "Cooperation and competition between two symmetry breakings in a coupled ratchet," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 494(C), pages 175-185.
    3. Zhang, Peng-Juan & Zhang, Ji-Qiang & Wang, Peng & Huo, Jie & Wang, Xu-Ming, 2024. "Directed transport of two-coupled particles under the coordination of the coupling and an asymmetric potential," Chaos, Solitons & Fractals, Elsevier, vol. 182(C).

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