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Surface plasmon polaritons in strained Weyl semimetals
Faculty of Physics, Kyiv National Taras Shevchenko University, 64/13 Volodymyrska st., 01601 Kyiv, Ukraine.
Faculty of Physics, Kyiv National Taras Shevchenko University, 64/13 Volodymyrska st., 01601 Kyiv, Ukraine 2Bogolyubov Institute for Theoretical Physics, Kyiv, 03680, Ukraine.
Nordita SU.
2020 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 102, no 8, article id 085426Article in journal (Refereed) Published
Abstract [en]

Surface plasmon polaritons in a strained slab of a Weyl semimetal with broken time-reversal symmetry are investigated. It is found that the strain-induced axial gauge field reduces frequencies of these collective modes for intermediate values of the wave vector. Depending on the relative orientation of the separation of Weyl nodes in momentum space, the surface normal, and the direction of propagation, the dispersion relation of surface plasmon polaritons could be nonreciprocal even in a thin slab. In addition, strain-induced axial gauge fields can significantly affect the localization properties of the collective modes. These effects allow for an in situ control of the propagation of surface plasmon

Place, publisher, year, edition, pages
American Physical Society (APS) , 2020. Vol. 102, no 8, article id 085426
Keywords [en]
Electromagnetic wave polarization, Gages, Phonons, Photons, Surface plasmon resonance, Broken time-reversal symmetry, Collective modes, Dispersion relations, Localization properties, Momentum spaces, Nonreciprocal devices, Relative orientation, Surface plasmon polaritons, Surface plasmons
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-303219DOI: 10.1103/PhysRevB.102.085426ISI: 000562321000005Scopus ID: 2-s2.0-85095124507OAI: oai:DiVA.org:kth-303219DiVA, id: diva2:1602055
Note

QC 20211011

Available from: 2021-10-11 Created: 2021-10-11 Last updated: 2023-01-03Bibliographically approved

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