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

Kurzanzeige
dc.contributor.authorKremer, Mark
dc.contributor.authorPetrides, Ioannis
dc.contributor.authorMeyer, Eric
dc.contributor.authorHeinrich, Matthias
dc.contributor.authorZilberberg, Oded
dc.contributor.authorSzameit, Alexander
dc.date.accessioned2021-09-24T09:00:34Z
dc.date.available2021-09-24T09:00:34Z
dc.date.issued2020-02-14eng
dc.description.abstractTopological Insulators are a novel state of matter where spectral bands are characterized by quantized topological invariants. This unique quantized nonlocal property commonly manifests through exotic bulk phenomena and corresponding robust boundary effects. In our work we study a system where the spectral bands are associated with non-quantized indices, but nevertheless possess robust boundary states. We present a theoretical analysis, where we show that the square of the Hamiltonian exhibits quantized indices. The findings are experimentally demonstrated by using photonic Aharonov-Bohm cages.eng
dc.description.versionpublishedeng
dc.identifier.doi10.1038/s41467-020-14692-4eng
dc.identifier.pmid32060268eng
dc.identifier.ppn1771768126
dc.identifier.urihttps://kops.uni-konstanz.de/handle/123456789/55017
dc.language.isoengeng
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject.ddc530eng
dc.titleA square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cageseng
dc.typeJOURNAL_ARTICLEeng
dspace.entity.typePublication
kops.citation.bibtex
@article{Kremer2020-02-14squar-55017,
  year={2020},
  doi={10.1038/s41467-020-14692-4},
  title={A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages},
  volume={11},
  journal={Nature Communications},
  author={Kremer, Mark and Petrides, Ioannis and Meyer, Eric and Heinrich, Matthias and Zilberberg, Oded and Szameit, Alexander},
  note={Article Number: 907}
}
kops.citation.iso690KREMER, Mark, Ioannis PETRIDES, Eric MEYER, Matthias HEINRICH, Oded ZILBERBERG, Alexander SZAMEIT, 2020. A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages. In: Nature Communications. Nature Publishing Group. 2020, 11, 907. eISSN 2041-1723. Available under: doi: 10.1038/s41467-020-14692-4deu
kops.citation.iso690KREMER, Mark, Ioannis PETRIDES, Eric MEYER, Matthias HEINRICH, Oded ZILBERBERG, Alexander SZAMEIT, 2020. A square-root topological insulator with non-quantized indices realized with photonic Aharonov-Bohm cages. In: Nature Communications. Nature Publishing Group. 2020, 11, 907. eISSN 2041-1723. Available under: doi: 10.1038/s41467-020-14692-4eng
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