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Magneto-optical properties of Fibonacci graphene superlattices

dc.creatorde Dios-Leyva M.
dc.creatorHernández-Bertrán M.A.
dc.creatorAkimov V.
dc.creatorVinasco J.A.
dc.creatorMorales A.L.
dc.creatorDuque C.A.
dc.date2020
dc.date.accessioned2020-04-29T14:53:49Z
dc.date.available2020-04-29T14:53:49Z
dc.identifier.issn14346028
dc.identifier.urihttp://hdl.handle.net/11407/5735
dc.descriptionAbstract: We have studied the transition strength and magneto-optical absorption in Fibonacci graphene superlattices under the effects of perpendicularly applied magnetic field. It is shown that the former quantity present self-similarity and anti-self-similarity behavior at magnetic field strengths connected via ?4 and ?2, respectively, ? being the golden mean. In order to be able to observe this effect, it is necessary that for a particular field the transition strength curve is displaced laterally as a rigid body so that the adjustment is achieved with that corresponding to the other field. It was found that this shifting is determined by the symmetry and scaling properties of the Fibonacci structure. For all the magnetic fields and polarizations of the incident radiation considered here, it is observed that the absorption spectra have the characteristic of self-similarity and also that they show resonant peak structures that satisfy selection rules that keep, in very good approximation, the same characteristics of graphene monolayers. We showed analytically that the similarity properties of both the transition strength and optical absorption are a direct consequence of those of the magnetic subbands. Graphical abstract: [Figure not available: see fulltext.] © 2020, EDP Sciences / Società Italiana di Fisica / Springer-Verlag GmbH Germany, part of Springer Nature.
dc.language.isoeng
dc.publisherSpringer
dc.relation.isversionofhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85081378088&doi=10.1140%2fepjb%2fe2020-100583-x&partnerID=40&md5=986b6d8da9b0dabc3e666abc9b315be7
dc.sourceEuropean Physical Journal B
dc.subjectGraphene
dc.subjectLight absorption
dc.subjectOptical properties
dc.subjectApplied magnetic fields
dc.subjectGraphene superlattices
dc.subjectIncident radiation
dc.subjectMagnetic field strengths
dc.subjectMagnetic subbands
dc.subjectMagnetooptical properties
dc.subjectScaling properties
dc.subjectTransition strengths
dc.subjectMagnetic field effects
dc.titleMagneto-optical properties of Fibonacci graphene superlattices
dc.typeArticleeng
dc.rights.accessrightsinfo:eu-repo/semantics/restrictedAccess
dc.publisher.programFacultad de Ciencias Básicas
dc.identifier.doi10.1140/epjb/e2020-100583-x
dc.relation.citationvolume93
dc.relation.citationissue3
dc.publisher.facultyFacultad de Ciencias Básicas
dc.affiliationde Dios-Leyva, M., Department of Theoretical Physics, University of Havana, San Lázaro y L, Vedado, Havana 10400, Cuba; Hernández-Bertrán, M.A., Department of Theoretical Physics, University of Havana, San Lázaro y L, Vedado, Havana 10400, Cuba; Akimov, V., Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia, Facultad de Ciencias Básicas, Universidad de Medellín-UdeM, Carrera 87 No. 30-65, Medellín, Colombia; Vinasco, J.A., Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia; Morales, A.L., Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia; Duque, C.A., Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
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