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Chiral spin channels in curved graphene pn junctions

dc.creatorBercioux, Darioes
dc.creatorFrustaglia, Diego Césares
dc.creatorDe Martino, Alessandroes
dc.date.accessioned2023-10-17T08:33:18Z
dc.date.available2023-10-17T08:33:18Z
dc.date.issued2023-09-20
dc.identifier.citationBercioux, D., Frustaglia, D.C. y De Martino, A. (2023). Chiral spin channels in curved graphene pn junctions. Physical Review B, 108 (115140). https://doi.org/10.1103/PhysRevB.108.115140.
dc.identifier.issn2469-9950es
dc.identifier.issn2469-9969es
dc.identifier.urihttps://hdl.handle.net/11441/149708
dc.description.abstractWe show that the chiral modes in circular graphene pn junctions provide an advantage for spin manipulation via spin-orbit coupling compared to semiconductor platforms. We derive the effective Hamiltonian for the spin dynamics of the junction's zero modes and calculate their quantum phases. We find a sweet spot in parameter space where the spin is fully in-plane and radially polarized for a given junction polarity. This represents a shortcut to singular spin configurations that would otherwise require spin-orbit coupling strengths beyond experimental reach.es
dc.formatapplication/pdfes
dc.format.extent7 p.es
dc.language.isoenges
dc.publisherAmerican Physical Societyes
dc.relation.ispartofPhysical Review B, 108 (115140).
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectChiral modeses
dc.subjectCircular graphene pn junctionses
dc.subjectSemiconductor platformses
dc.titleChiral spin channels in curved graphene pn junctionses
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Aplicada IIes
dc.relation.projectIDPID2020-120614GB-I00es
dc.relation.projectIDQUAN-000021-01es
dc.relation.projectIDPID2021-127250NB-I00es
dc.relation.projectIDP20-00548es
dc.relation.projectIDUS1380932es
dc.relation.publisherversionhttps://journals.aps.org/prb/pdf/10.1103/PhysRevB.108.115140es
dc.identifier.doi10.1103/PhysRevB.108.115140es
dc.contributor.groupUniversidad de Sevilla. FQM239: Fundamentos de Mecánica Cuánticaes
dc.journaltitlePhysical Review Bes
dc.publication.volumen108es
dc.publication.issue115140
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (MICINN). Españaes
dc.contributor.funderGobierno Vascoes
dc.contributor.funderJunta de Andalucíaes
dc.contributor.funderEuropean Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER)es

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