Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations

Abstract The electrostatic theory of surface magnetoplasmons on a semi-infinite magnetized electron gas is generalized to mixed Faraday–Voigt configurations. We analyze a mixed Faraday–Voigt type of electrostatic surface waves that is strongly direction-dependent, and may be realized on narrow-gap s...

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Autores principales:	Afshin Moradi, Martijn Wubs
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/740ea14f10ec4a7799955369abcc509e
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spelling	oai:doaj.org-article:740ea14f10ec4a7799955369abcc509e2021-12-02T18:33:47ZStrongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations10.1038/s41598-021-97681-x2045-2322https://doaj.org/article/740ea14f10ec4a7799955369abcc509e2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97681-xhttps://doaj.org/toc/2045-2322Abstract The electrostatic theory of surface magnetoplasmons on a semi-infinite magnetized electron gas is generalized to mixed Faraday–Voigt configurations. We analyze a mixed Faraday–Voigt type of electrostatic surface waves that is strongly direction-dependent, and may be realized on narrow-gap semiconductors in the THz regime. A general expression for the dispersion relation is presented, with its dependence on the magnitude and orientation of the applied magnetic field. Remarkably, the group velocity is always perpendicular to the phase velocity. Both velocity and energy relations of the found magnetoplasmons are discussed in detail. In the appropriate limits the known surface magnetoplasmons in the higher-symmetry Faraday and Voigt configurations are recovered.Afshin MoradiMartijn WubsNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Afshin Moradi Martijn Wubs Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations
description	Abstract The electrostatic theory of surface magnetoplasmons on a semi-infinite magnetized electron gas is generalized to mixed Faraday–Voigt configurations. We analyze a mixed Faraday–Voigt type of electrostatic surface waves that is strongly direction-dependent, and may be realized on narrow-gap semiconductors in the THz regime. A general expression for the dispersion relation is presented, with its dependence on the magnitude and orientation of the applied magnetic field. Remarkably, the group velocity is always perpendicular to the phase velocity. Both velocity and energy relations of the found magnetoplasmons are discussed in detail. In the appropriate limits the known surface magnetoplasmons in the higher-symmetry Faraday and Voigt configurations are recovered.
format	article
author	Afshin Moradi Martijn Wubs
author_facet	Afshin Moradi Martijn Wubs
author_sort	Afshin Moradi
title	Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations
title_short	Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations
title_full	Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations
title_fullStr	Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations
title_full_unstemmed	Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations
title_sort	strongly direction-dependent magnetoplasmons in mixed faraday–voigt configurations
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/740ea14f10ec4a7799955369abcc509e
work_keys_str_mv	AT afshinmoradi stronglydirectiondependentmagnetoplasmonsinmixedfaradayvoigtconfigurations AT martijnwubs stronglydirectiondependentmagnetoplasmonsinmixedfaradayvoigtconfigurations
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Strongly direction-dependent magnetoplasmons in mixed Faraday–Voigt configurations

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