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Transport properties and current inversion by white Gaussian noise in a coupled ratchet model

Author

Listed:
  • Fendrik, A.J.
  • Reale, M.
  • Romanelli, L.

Abstract

We have found, by varying two parameters, several stationary trajectories in a system consisting in many elastically coupled particles that are placed in a periodic ratchet potential on a ring. The system is assumed to be over-damped and driven by an external potential that is periodic both in space and time. The transport properties of these orbits are quite different and their values are quantified. The symmetries allow us to study the orbits with and without the presence of thermal fluctuations and there is found current inversions due to the addition of white Gaussian noise.

Suggested Citation

  • Fendrik, A.J. & Reale, M. & Romanelli, L., 2011. "Transport properties and current inversion by white Gaussian noise in a coupled ratchet model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(21), pages 3932-3937.
    • Handle: RePEc:eee:phsmap:v:390:y:2011:i:21:p:3932-3937
    DOI: 10.1016/j.physa.2011.05.037
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    Cited by:

    1. Cui, Yingxue & Ning, Lijuan, 2023. "Transport of coupled particles in fractional feedback ratchet driven by Bounded noise," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 615(C).

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