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Beating pattern in radiation-induced oscillatory magnetoresistance in 2DES: Coupling of plasmon-like and acoustic phonon modes

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dc.affiliation.dptoUC3M. Departamento de Físicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Materiales Nano-Estructurados y Multifuncionaleses
dc.contributor.authorIñarrea Las Heras, Jesús
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2021-01-12T15:36:00Z
dc.date.available2021-01-12T15:36:00Z
dc.date.issued2018-05-21
dc.description.abstractWe present a microscopic theory on the observation of a beating pattern in the radiation-induced magnetoresistance oscillations at a very low magnetic field. We consider that such a beating pattern develops as a result of the coupling between two oscillatory components: the first is a system of electron Landau states being harmonically driven by radiation. The second is a lattice oscillation, i.e., an acoustic phonon mode. We analyze the dependence of the beating pattern on temperature, radiation frequency, and power. We conclude that the beating pattern is an evidence of the radiation-driven nature of the irradiated Landau states that makes them behave as a collective plasma oscillation at the radiation frequency. Thus, the frequency of such plasmons could be tuned from microwave to terahertz in the same nanodevice with an apparent technological application. Published by AIP Publishing.en
dc.description.sponsorshipThis work was supported by the MINECO (Spain) under Grant MAT2017–86717-P and ITN Grant 234970 (EU). Grupo de Matematicas aplicadas a la Materia Condensada, (UC3M), Unidad Asociada al CSIC.en
dc.identifier.bibliographicCitationAppl. Phys. Lett. 112, 213102 (2018)
dc.identifier.doihttps://doi.org/10.1063/1.5029332
dc.identifier.issn0003-6951
dc.identifier.publicationtitleApplied Physics Letters
dc.identifier.publicationvolume112
dc.identifier.urihttps://hdl.handle.net/10016/31684
dc.identifier.uxxiAR/0000021560
dc.language.isoeng
dc.publisherAmerican Institute of Physics
dc.relation.projectIDGobierno de España. MAT2017–86717-P
dc.rights© American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishingen
dc.rights.accessRightsopen access
dc.subject.ecienciaFísicaes
dc.titleBeating pattern in radiation-induced oscillatory magnetoresistance in 2DES: Coupling of plasmon-like and acoustic phonon modesen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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