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Bloch oscillations in an aperiodic one-dimensional potential

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dc.contributor.authorMoura, F. A. B. F., de
dc.contributor.authorLyra, M. L.
dc.contributor.authorDomínguez-Adame Acosta, Francisco
dc.contributor.authorMalyshev, Andrey
dc.date.accessioned2023-06-20T10:48:24Z
dc.date.available2023-06-20T10:48:24Z
dc.date.issued2005-03
dc.description© 2005 The American Physical Society. We are very thankful to H. Yamada for bringing to our attention the problem of aperiodic potentials with mobility edges. Work in Brazil was supported by CNPq and CAPES sBrazilian research agenciesd and FAPEAL sAlagoas State agencyd. Work at Madrid was supported by DGI-MCyT sGrant No. MAT2003-01533d and CAM sGrant No. GR/MAT/0039/2004d.
dc.description.abstractWe study the dynamics of an electron subjected to a static uniform electric field within a one-dimensional tight-binding model with a slowly varying aperiodic potential. The unbiased model is known to support phases of localized and extended one-electron states separated by two mobility edges. We show that the electric field promotes sustained Bloch oscillations of an initial Gaussian wave packet whose amplitude reflects the bandwidth of extended states. The frequency of these oscillations exhibits unique features, such as a sensitivity to the initial wave packet position and a multimode structure for weak fields, originating from the characteristics of the underlying aperiodic potential.
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipDGI-MCyT
dc.description.sponsorshipCAM
dc.description.sponsorshipCNPq
dc.description.sponsorshipCAPES
dc.description.sponsorshipFAPEAL
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/27478
dc.identifier.doi10.1103/PhysRevB.71.104303
dc.identifier.issn1098-0121
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevB.71.104303
dc.identifier.relatedurlhttp://journals.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/51257
dc.issue.number10
dc.journal.titlePhysical Review B
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.projectIDMAT2003-01533d
dc.relation.projectIDMAT/0039/2004d
dc.rights.accessRightsopen access
dc.subject.cdu538.9
dc.subject.keywordMetal-Insulator-Transition
dc.subject.keywordRandom-Dimer Model
dc.subject.keywordCorrelated Disorder
dc.subject.keywordQuantum Diffusion
dc.subject.keywordElectronic States
dc.subject.keywordAnderson Model
dc.subject.keywordMobility Edge
dc.subject.keywordLocalization
dc.subject.keywordAbsence
dc.subject.keywordSuperlattices
dc.subject.ucmFísica de materiales
dc.titleBloch oscillations in an aperiodic one-dimensional potential
dc.typejournal article
dc.volume.number71
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