Collective modes in a coupled ratchet model

We analyze 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 overdamped and driven by an external potential that is periodic both in space and time. The symmetries of the model allow to study the orbits wi...

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Autores principales:	Fendrik, Alejandro J., Romanelli, Lilia, Perazzo, Roberto Pedro José
Publicado:	2006
Materias:	Brownian motors Ratchet Stochastic resonance Elastic moduli Electric currents Mathematical models Resonance Stochastic control systems Systems analysis Collective modes Elastic coupling Statistical mechanics
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03784371_v368_n1_p7_Fendrik http://hdl.handle.net/20.500.12110/paper_03784371_v368_n1_p7_Fendrik
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_03784371_v368_n1_p7_Fendrik
record_format	dspace
spelling	paper:paper_03784371_v368_n1_p7_Fendrik2023-06-08T15:40:06Z Collective modes in a coupled ratchet model Fendrik, Alejandro J. Romanelli, Lilia Perazzo, Roberto Pedro José Brownian motors Ratchet Stochastic resonance Elastic moduli Electric currents Mathematical models Resonance Stochastic control systems Systems analysis Brownian motors Collective modes Elastic coupling Ratchet Stochastic resonance Statistical mechanics We analyze 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 overdamped and driven by an external potential that is periodic both in space and time. The symmetries of the model allow to study the orbits with and without the presence of thermal fluctuations and for a changing intensity of the elastic coupling and the external driving force. We investigate the dependence of the transport current on the intensity of the elastic interaction. The direction of the current may be understood as resulting from the competition of collective transport modes in opposite directions and presents an inversion as the elastic coupling is increased. © 2006 Elsevier B.V. All rights reserved. Fil:Fendrik, A.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Romanelli, L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Perazzo, R.P.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2006 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03784371_v368_n1_p7_Fendrik http://hdl.handle.net/20.500.12110/paper_03784371_v368_n1_p7_Fendrik
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Brownian motors Ratchet Stochastic resonance Elastic moduli Electric currents Mathematical models Resonance Stochastic control systems Systems analysis Brownian motors Collective modes Elastic coupling Ratchet Stochastic resonance Statistical mechanics
spellingShingle	Brownian motors Ratchet Stochastic resonance Elastic moduli Electric currents Mathematical models Resonance Stochastic control systems Systems analysis Brownian motors Collective modes Elastic coupling Ratchet Stochastic resonance Statistical mechanics Fendrik, Alejandro J. Romanelli, Lilia Perazzo, Roberto Pedro José Collective modes in a coupled ratchet model
topic_facet	Brownian motors Ratchet Stochastic resonance Elastic moduli Electric currents Mathematical models Resonance Stochastic control systems Systems analysis Brownian motors Collective modes Elastic coupling Ratchet Stochastic resonance Statistical mechanics
description	We analyze 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 overdamped and driven by an external potential that is periodic both in space and time. The symmetries of the model allow to study the orbits with and without the presence of thermal fluctuations and for a changing intensity of the elastic coupling and the external driving force. We investigate the dependence of the transport current on the intensity of the elastic interaction. The direction of the current may be understood as resulting from the competition of collective transport modes in opposite directions and presents an inversion as the elastic coupling is increased. © 2006 Elsevier B.V. All rights reserved.
author	Fendrik, Alejandro J. Romanelli, Lilia Perazzo, Roberto Pedro José
author_facet	Fendrik, Alejandro J. Romanelli, Lilia Perazzo, Roberto Pedro José
author_sort	Fendrik, Alejandro J.
title	Collective modes in a coupled ratchet model
title_short	Collective modes in a coupled ratchet model
title_full	Collective modes in a coupled ratchet model
title_fullStr	Collective modes in a coupled ratchet model
title_full_unstemmed	Collective modes in a coupled ratchet model
title_sort	collective modes in a coupled ratchet model
publishDate	2006
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03784371_v368_n1_p7_Fendrik http://hdl.handle.net/20.500.12110/paper_03784371_v368_n1_p7_Fendrik
work_keys_str_mv	AT fendrikalejandroj collectivemodesinacoupledratchetmodel AT romanellililia collectivemodesinacoupledratchetmodel AT perazzorobertopedrojose collectivemodesinacoupledratchetmodel
_version_	1768542179713613824

Collective modes in a coupled ratchet model

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