Theory for polaritons in graphene photonic crystals in an applied magnetic field

Detalhes bibliográficos
Autor(a) principal: Vasconcelos, Manoel Silva de
Data de Publicação: 2020
Outros Autores: Cottam, M. G.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRN
Texto Completo: https://repositorio.ufrn.br/jspui/handle/123456789/29919
Resumo: The dispersion relations for bulk and surface plasmon-polaritons in a semi-infinite 1D photonic crystal interlayered with graphene are calculated in the presence of an applied magnetic field. The results are applied to SiO2 as the constituent material in geometry where the layers are arranged in a periodic array with the same layer thickness. The static magnetic field is applied perpendicular to the plane of layers. Numerical results are presented for the modes in THz range, up to 10 THz, to illustrate the important role of the applied magnetic field on the graphene sheets in modifying the polariton dispersion curves, especially for magnetic fields of the order of 1 T. It is found that the polariton frequencies and band gaps have a sensitive dependence on the electron scattering rate parameter (and hence the applied magnetic field strength) in the graphene sheets. Electromagnetic retardation effects are fully taken into account for the bulk bands, while for the surface modes (which are shown to have a novel non-reciprocal propagation characteristics) it is convenient to focus on the regime where retardation is small
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spelling Vasconcelos, Manoel Silva deCottam, M. G.2020-09-03T15:25:47Z2020-09-03T15:25:47Z2020VASCONCELOS, M. S.; COTTAM, M. G.. Theory for polaritons in graphene photonic crystals in an applied magnetic field. Journal of Physics D: Applied Physics, [s.l.], v. 53, n. 13, p. 135101, 17 jan. 2020. Disponível em: https://iopscience.iop.org/article/10.1088/1361-6463/ab6518. Acesso em: 28 ago. 2020. http://dx.doi.org/10.1088/1361-6463/ab6518.0022-37271361-6463https://repositorio.ufrn.br/jspui/handle/123456789/2991910.1088/1361-6463/ab6518.IOP PublishingPlasmon-polaritonsGrapheneMagnetic field effectsPhotonic crystalsTransfer-matrix methodsTheory for polaritons in graphene photonic crystals in an applied magnetic fieldinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleThe dispersion relations for bulk and surface plasmon-polaritons in a semi-infinite 1D photonic crystal interlayered with graphene are calculated in the presence of an applied magnetic field. The results are applied to SiO2 as the constituent material in geometry where the layers are arranged in a periodic array with the same layer thickness. The static magnetic field is applied perpendicular to the plane of layers. Numerical results are presented for the modes in THz range, up to 10 THz, to illustrate the important role of the applied magnetic field on the graphene sheets in modifying the polariton dispersion curves, especially for magnetic fields of the order of 1 T. It is found that the polariton frequencies and band gaps have a sensitive dependence on the electron scattering rate parameter (and hence the applied magnetic field strength) in the graphene sheets. Electromagnetic retardation effects are fully taken into account for the bulk bands, while for the surface modes (which are shown to have a novel non-reciprocal propagation characteristics) it is convenient to focus on the regime where retardation is smallengreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNinfo:eu-repo/semantics/openAccessLICENSElicense.txtlicense.txttext/plain; charset=utf-81484https://repositorio.ufrn.br/bitstream/123456789/29919/3/license.txte9597aa2854d128fd968be5edc8a28d9MD53CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8914https://repositorio.ufrn.br/bitstream/123456789/29919/2/license_rdf4d2950bda3d176f570a9f8b328dfbbefMD52TEXTTheoryPolaritonsGraphene_VASCONCELOS_2019.pdf.txtTheoryPolaritonsGraphene_VASCONCELOS_2019.pdf.txtExtracted texttext/plain49440https://repositorio.ufrn.br/bitstream/123456789/29919/4/TheoryPolaritonsGraphene_VASCONCELOS_2019.pdf.txtfaf00ab4b31ee782539f14c0b334c712MD54THUMBNAILTheoryPolaritonsGraphene_VASCONCELOS_2019.pdf.jpgTheoryPolaritonsGraphene_VASCONCELOS_2019.pdf.jpgGenerated Thumbnailimage/jpeg1359https://repositorio.ufrn.br/bitstream/123456789/29919/5/TheoryPolaritonsGraphene_VASCONCELOS_2019.pdf.jpga0bad83c737102cb44dca0affd1d0754MD55123456789/299192022-10-20 16:19:13.395oai:https://repositorio.ufrn.br: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Repositório de PublicaçõesPUBhttp://repositorio.ufrn.br/oai/opendoar:2022-10-20T19:19:13Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false
dc.title.pt_BR.fl_str_mv Theory for polaritons in graphene photonic crystals in an applied magnetic field
title Theory for polaritons in graphene photonic crystals in an applied magnetic field
spellingShingle Theory for polaritons in graphene photonic crystals in an applied magnetic field
Vasconcelos, Manoel Silva de
Plasmon-polaritons
Graphene
Magnetic field effects
Photonic crystals
Transfer-matrix methods
title_short Theory for polaritons in graphene photonic crystals in an applied magnetic field
title_full Theory for polaritons in graphene photonic crystals in an applied magnetic field
title_fullStr Theory for polaritons in graphene photonic crystals in an applied magnetic field
title_full_unstemmed Theory for polaritons in graphene photonic crystals in an applied magnetic field
title_sort Theory for polaritons in graphene photonic crystals in an applied magnetic field
author Vasconcelos, Manoel Silva de
author_facet Vasconcelos, Manoel Silva de
Cottam, M. G.
author_role author
author2 Cottam, M. G.
author2_role author
dc.contributor.author.fl_str_mv Vasconcelos, Manoel Silva de
Cottam, M. G.
dc.subject.por.fl_str_mv Plasmon-polaritons
Graphene
Magnetic field effects
Photonic crystals
Transfer-matrix methods
topic Plasmon-polaritons
Graphene
Magnetic field effects
Photonic crystals
Transfer-matrix methods
description The dispersion relations for bulk and surface plasmon-polaritons in a semi-infinite 1D photonic crystal interlayered with graphene are calculated in the presence of an applied magnetic field. The results are applied to SiO2 as the constituent material in geometry where the layers are arranged in a periodic array with the same layer thickness. The static magnetic field is applied perpendicular to the plane of layers. Numerical results are presented for the modes in THz range, up to 10 THz, to illustrate the important role of the applied magnetic field on the graphene sheets in modifying the polariton dispersion curves, especially for magnetic fields of the order of 1 T. It is found that the polariton frequencies and band gaps have a sensitive dependence on the electron scattering rate parameter (and hence the applied magnetic field strength) in the graphene sheets. Electromagnetic retardation effects are fully taken into account for the bulk bands, while for the surface modes (which are shown to have a novel non-reciprocal propagation characteristics) it is convenient to focus on the regime where retardation is small
publishDate 2020
dc.date.accessioned.fl_str_mv 2020-09-03T15:25:47Z
dc.date.available.fl_str_mv 2020-09-03T15:25:47Z
dc.date.issued.fl_str_mv 2020
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.citation.fl_str_mv VASCONCELOS, M. S.; COTTAM, M. G.. Theory for polaritons in graphene photonic crystals in an applied magnetic field. Journal of Physics D: Applied Physics, [s.l.], v. 53, n. 13, p. 135101, 17 jan. 2020. Disponível em: https://iopscience.iop.org/article/10.1088/1361-6463/ab6518. Acesso em: 28 ago. 2020. http://dx.doi.org/10.1088/1361-6463/ab6518.
dc.identifier.uri.fl_str_mv https://repositorio.ufrn.br/jspui/handle/123456789/29919
dc.identifier.issn.none.fl_str_mv 0022-3727
1361-6463
dc.identifier.doi.none.fl_str_mv 10.1088/1361-6463/ab6518.
identifier_str_mv VASCONCELOS, M. S.; COTTAM, M. G.. Theory for polaritons in graphene photonic crystals in an applied magnetic field. Journal of Physics D: Applied Physics, [s.l.], v. 53, n. 13, p. 135101, 17 jan. 2020. Disponível em: https://iopscience.iop.org/article/10.1088/1361-6463/ab6518. Acesso em: 28 ago. 2020. http://dx.doi.org/10.1088/1361-6463/ab6518.
0022-3727
1361-6463
10.1088/1361-6463/ab6518.
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