Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2948
Title: Coupled Brownian motors on a tilted washboard
Authors: VAN DEN BROECK, Christian 
BENA, Ioana 
REIMANN, Peter
Lehmann, J
Issue Date: 2000
Publisher: WILEY-V C H VERLAG GMBH
Source: ANNALEN DER PHYSIK, 9(9-10). p. 713-720
Abstract: We consider globally coupled particles, each of them governed by a deterministic relaxation dynamics in a critically tilted washboard potential, but without a preferential spatial direction for the coupled system as a whole. For weak-to-moderate coupling we observe a spontaneous breaking of the system intrinsic symmetry which entails a spontaneous collective transport via a ratchet effect, possibly with a superimposed oscillatory long time behavior. For strong coupling, spontaneous symmetry breaking and spontaneous directed current are ruled out, whereas a negative mobility in response to an externally applied force is recovered.
Notes: Limburgs Univ Ctr, B-3590 Diepenbeek, Belgium. Univ Augsburg, D-86135 Augsburg, Germany.Van den Broeck, C, Limburgs Univ Ctr, Univ Campus, B-3590 Diepenbeek, Belgium.
Keywords: nonequilibrium phase transition; spontaneous current; negative mobility
Document URI: http://hdl.handle.net/1942/2948
ISI #: 000089819600008
Category: A1
Type: Journal Contribution
Validations: ecoom 2001
Appears in Collections:Research publications

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