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Current reversals in a rocking ratchet: dynamical versus symmetry-breaking mechanisms

 

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Author: Cubero, David
Lebedev, Vladimir
Renzoni, Ferruccio
Department: Universidad de Sevilla. Departamento de Física Aplicada I
Date: 2010
Published in: Physical Review E, 82(4), 041116:1-4
Document type: Article
Abstract: Directed transport in ratchets is determined by symmetry breaking in a system out of equilibrium. A hallmark of rocking ratchets is current reversals: an increase in the rocking force changes the direction of the current. In this work for a biharmonically driven spatially symmetric rocking ratchet we show that a class of current reversal is precisely determined by symmetry breaking, thus creating a link between dynamical and symmetry-breaking mechanisms.
Size: 180.6Kb
Format: PDF

URI: http://hdl.handle.net/11441/25362

DOI: 10.1103/PhysRevE.82.041116

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