Inhomogeneous soliton ratchets under two ac forces

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Show simple item record Morales-Molina, Luis Mertens, Franz G. Sánchez, Angel 2012-08-30T11:33:10Z 2012-08-30T11:33:10Z 2006-04
dc.identifier.bibliographicCitation Physical Review E, vol. 73, n. 4, apr. 2006. Pp. 1-4
dc.identifier.issn 1539-3755 (print version)
dc.identifier.issn 1550-2376 (online version)
dc.description.abstract We extend our previous work on soliton ratchet devices L. Morales-Molina et al., Eur. Phys. J. B 37, 79 2004 to consider the joint effect of two ac forces including nonharmonic drivings, as proposed for particle ratchets by Savele’v et al. Europhys. Lett. 67, 179 2004 ; Phys. Rev. E 70, 066109 2004 . Current reversals due to the interplay between the phases, frequencies, and amplitudes of the harmonics are obtained. An analysis of the effect of the damping coefficient on the dynamics is presented. We show that solitons give rise to nontrivial differences in the phenomenology reported for particle systems that arise from their extended character. A comparison with soliton ratchets in homogeneous systems with biharmonic forces is also presented. This ratchet device may be an ideal candidate for Josephson junction ratchets with intrinsic large damping.
dc.description.sponsorship This work has been supported by the Ministerio de Ciencia y Tecnología of Spain through Grants No. BFM2003-07749- C05-01, No. FIS2004-01001, and No. NAN2004-09087- C03-03 (A.S.) and by “Acciones Integradas Hispano- Alemanas” HA2004-0034-D/04/39957 and by the Junta Andalucía under the Project No. FQN-0207.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher American Physical Society
dc.title Inhomogeneous soliton ratchets under two ac forces
dc.type article
dc.description.status Publicado
dc.subject.eciencia Matemáticas
dc.identifier.doi 10.1103/PhysRevE.73.046605
dc.rights.accessRights openAccess
dc.type.version publishedVersion
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