A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages

Topological insulators are characterized by quantized topological invariants. Here, the authors report an insulator state showing spectral bands without quantized indices, yet robust boundary states in a photonic setup.

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Autores principales:	Mark Kremer, Ioannis Petrides, Eric Meyer, Matthias Heinrich, Oded Zilberberg, Alexander Szameit
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/24f93b7118f248ef867853a67ad1dabc
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spelling	oai:doaj.org-article:24f93b7118f248ef867853a67ad1dabc2021-12-02T14:41:15ZA square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages10.1038/s41467-020-14692-42041-1723https://doaj.org/article/24f93b7118f248ef867853a67ad1dabc2020-02-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-14692-4https://doaj.org/toc/2041-1723Topological insulators are characterized by quantized topological invariants. Here, the authors report an insulator state showing spectral bands without quantized indices, yet robust boundary states in a photonic setup.Mark KremerIoannis PetridesEric MeyerMatthias HeinrichOded ZilberbergAlexander SzameitNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-6 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Mark Kremer Ioannis Petrides Eric Meyer Matthias Heinrich Oded Zilberberg Alexander Szameit A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages
description	Topological insulators are characterized by quantized topological invariants. Here, the authors report an insulator state showing spectral bands without quantized indices, yet robust boundary states in a photonic setup.
format	article
author	Mark Kremer Ioannis Petrides Eric Meyer Matthias Heinrich Oded Zilberberg Alexander Szameit
author_facet	Mark Kremer Ioannis Petrides Eric Meyer Matthias Heinrich Oded Zilberberg Alexander Szameit
author_sort	Mark Kremer
title	A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages
title_short	A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages
title_full	A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages
title_fullStr	A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages
title_full_unstemmed	A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages
title_sort	square-root topological insulator with non-quantized indices realized with photonic aharonov-bohm cages
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/24f93b7118f248ef867853a67ad1dabc
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A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages

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