Volume 64, Number 5, December 2003
|Page(s)||599 - 605|
|Published online||01 November 2003|
Non-cooperative Brownian donkeys: A solvable 1D model
Grupo Interdisciplinar de Sistemas Complejos (GISC) and Departamento de Física Atómica, Molecular y Nuclear Universidad Complutense de Madrid - 28040 Madrid, Spain
2 Fakultät für Physik, Universität Bielefeld - 33615 Bielefeld, Germany
Accepted: 1 October 2003
A paradigmatic 1D model for Brownian motion in a spatially symmetric, periodic system is tackled analytically. Upon application of an external static force F the system's response is an average current which is positive for and negative for (absolute negative mobility). Under suitable conditions, the system approaches 100% efficiency when working against the external force F.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.60.-k – Transport processes / 02.50.Ey – Stochastic processes
© EDP Sciences, 2003
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