Quadrupole topological photonic crystals

Quadrupole topological photonic crystals

Most higher order topological phases are realized by emulations of tight binding models. Extending these concepts to continuum theories requires the identification of invariants describing the bulk multipole order. Here the authors realize the analog of quadrupole order for a gyromagnetic photonic c...

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Autores principales: Li He, Zachariah Addison, Eugene J. Mele, Bo Zhen
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/71fff96789e54733839f793e9a48531f
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spelling oai:doaj.org-article:71fff96789e54733839f793e9a48531f2021-12-02T17:40:27ZQuadrupole topological photonic crystals10.1038/s41467-020-16916-z2041-1723https://doaj.org/article/71fff96789e54733839f793e9a48531f2020-06-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-16916-zhttps://doaj.org/toc/2041-1723Most higher order topological phases are realized by emulations of tight binding models. Extending these concepts to continuum theories requires the identification of invariants describing the bulk multipole order. Here the authors realize the analog of quadrupole order for a gyromagnetic photonic crystal.Li HeZachariah AddisonEugene J. MeleBo ZhenNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-6 (2020)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
spellingShingle Science
Q
Li He
Zachariah Addison
Eugene J. Mele
Bo Zhen
Quadrupole topological photonic crystals
description Most higher order topological phases are realized by emulations of tight binding models. Extending these concepts to continuum theories requires the identification of invariants describing the bulk multipole order. Here the authors realize the analog of quadrupole order for a gyromagnetic photonic crystal.
format article
author Li He
Zachariah Addison
Eugene J. Mele
Bo Zhen
author_facet Li He
Zachariah Addison
Eugene J. Mele
Bo Zhen
author_sort Li He
title Quadrupole topological photonic crystals
title_short Quadrupole topological photonic crystals
title_full Quadrupole topological photonic crystals
title_fullStr Quadrupole topological photonic crystals
title_full_unstemmed Quadrupole topological photonic crystals
title_sort quadrupole topological photonic crystals
publisher Nature Portfolio
publishDate 2020
url https://doaj.org/article/71fff96789e54733839f793e9a48531f
work_keys_str_mv AT lihe quadrupoletopologicalphotoniccrystals
AT zachariahaddison quadrupoletopologicalphotoniccrystals
AT eugenejmele quadrupoletopologicalphotoniccrystals
AT bozhen quadrupoletopologicalphotoniccrystals
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