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Crossed-ratchet effects and domain wall geometrical pinning

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dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Interdisciplinar de Sistemas Complejos (GISC)es
dc.contributor.authorMarconi, V.I.
dc.contributor.authorKolton, A.B.
dc.contributor.authorCapitán, José A.
dc.contributor.authorCuesta, José A.
dc.contributor.authorPérez-Junquera, A.
dc.contributor.authorVélez, M.
dc.contributor.authorMartín, J.I.
dc.contributor.authorParrondo, J.M.R.
dc.date.accessioned2014-06-06T11:29:21Z
dc.date.available2014-06-06T11:29:21Z
dc.date.issued2011-06-03
dc.description.abstractThe motion of a domain wall in a two-dimensional medium is studied by taking into account the internal elastic degrees of freedom of the wall and geometrical pinning produced by both holes and sample boundaries. This study is used to analyze the geometrical conditions needed for optimizing crossed-ratchet effects in periodic rectangular arrays of asymmetric holes, recently observed experimentally in patterned ferromagnetic films. Exact calculation as a function of the geometry of the sample and numerical simulations have been used to obtain the anisotropic critical fields for depinning flat and kinked walls in rectangular arrays of triangles. The aim is to show with a generic elastic model for interfaces how to build a rectifier able to display crossed-ratchet effects or effective potential landscapes for controlling the motion of interfaces or invasion fronts.en
dc.description.sponsorshipThis work is supported by SeCyT-UNCórdoba and CONICET, Argentina, Spanish MICINN (FIS2008-06249 and HP2008-0032) and Asturias FICYT (IB08-106), and Grants MOSAICO (Spain) and MODELICO-CM (Comunidad de Madrid, Spain). J. A. Capitán acknowledges funding by a contract from Comunidad de Madrid and Fondo Social Europeo. A.B. Kolton acknowledges ANPCYT (Grant No. PICT2007886, Argentina) and Universidad de Barcelona, Ministerio de Ciencia e Innovación (Spain), and Generalitat de Catalunya for partial support through the I3 program.en
dc.format.extent13es
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationPhys. Rev. B (2011), vol. 83, n.21 (214403), pp. 1-13es
dc.identifier.doi10.1103/PhysRevB.83.214403
dc.identifier.issn1098-0121
dc.identifier.publicationfirstpage1es
dc.identifier.publicationissue21 (214403)es
dc.identifier.publicationlastpage13es
dc.identifier.publicationtitlePhysical review. B. Condensed matter and materials physicsen
dc.identifier.publicationvolume83es
dc.identifier.urihttps://hdl.handle.net/10016/18962
dc.identifier.uxxiAR/0000009157
dc.language.isoenges
dc.publisherAmerican Physical Societyes
dc.relation.projectIDComunidad de Madrid. S2009/ESP-1691/MODELICOes
dc.relation.projectIDGobierno de España. FIS2008-06249
dc.relation.projectIDGobierno de España. HP2008-0032
dc.relation.projectIDGobierno de España. FIS2006-01485/MOSAICO
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevB.83.214403es
dc.rights©2011 American Physical Societyen
dc.rights.accessRightsopen accessen
dc.subject.ecienciaFísicaes
dc.subject.ecienciaMatemáticases
dc.subject.otherDynamicsen
dc.subject.otherRoughnessen
dc.subject.otherCreepen
dc.titleCrossed-ratchet effects and domain wall geometrical pinningen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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