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Proceedings Paper

Coupled Brownian motors: anomalous-to-normal hysteresis transition and noise-induced limit cycle
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Paper Abstract

We study a model consisting of N nonlinear oscillators with global periodic coupling and local multiplicative and additive noises. The model was shown to undergo a nonequilibrium phase transition towards a broken-symmetry phase exhibiting noise-induced ``ratchet" behavior. Here we review some aspects leading to an "anomalous--to--normal" transition in the ratchet's hysteretic behavior and also show -as suggested by the absence of stable solutions when the load force is beyond a critical value- the existence of a limit cycle induced by both: multiplicative noise and global periodic coupling.

Paper Details

Date Published: 7 May 2003
PDF: 8 pages
Proc. SPIE 5114, Noise in Complex Systems and Stochastic Dynamics, (7 May 2003); doi: 10.1117/12.497418
Show Author Affiliations
Horacio S. Wio, Univ. de les Illes Balears (Spain)
Sergio E. Mangioni, Univ. Nacional de Mar del Plata (Argentina)

Published in SPIE Proceedings Vol. 5114:
Noise in Complex Systems and Stochastic Dynamics
Lutz Schimansky-Geier; Derek Abbott; Alexander Neiman; Christian Van den Broeck, Editor(s)

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