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Article: Bulk-hinge correspondence and three-dimensional quantum anomalous Hall effect in second-order topological insulators

TitleBulk-hinge correspondence and three-dimensional quantum anomalous Hall effect in second-order topological insulators
Authors
Issue Date2021
PublisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/
Citation
Physical Review Research, 2021, v. 3 n. 3, article no. 033177 How to Cite?
AbstractThe chiral hinge modes are the key feature of a second-order topological insulator in three dimensions. Here we propose a quadrupole index in combination of a slab Chern number in the bulk to characterize the flowing pattern of chiral hinge modes along the hinges at the intersection of the surfaces of a sample. We further utilize the topological field theory to present a picture of three-dimensional quantum anomalous Hall effect as a consequence of chiral hinge modes. The two bulk topological invariants can be measured in electric transport and magneto-optical experiments. In this way we establish the bulk-hinge correspondence in a three-dimensional second-order topological insulator.
Persistent Identifierhttp://hdl.handle.net/10722/304276
ISSN
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 1.689
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFu, B-
dc.contributor.authorHu, Z-
dc.contributor.authorShen, S-
dc.date.accessioned2021-09-23T08:57:45Z-
dc.date.available2021-09-23T08:57:45Z-
dc.date.issued2021-
dc.identifier.citationPhysical Review Research, 2021, v. 3 n. 3, article no. 033177-
dc.identifier.issn2643-1564-
dc.identifier.urihttp://hdl.handle.net/10722/304276-
dc.description.abstractThe chiral hinge modes are the key feature of a second-order topological insulator in three dimensions. Here we propose a quadrupole index in combination of a slab Chern number in the bulk to characterize the flowing pattern of chiral hinge modes along the hinges at the intersection of the surfaces of a sample. We further utilize the topological field theory to present a picture of three-dimensional quantum anomalous Hall effect as a consequence of chiral hinge modes. The two bulk topological invariants can be measured in electric transport and magneto-optical experiments. In this way we establish the bulk-hinge correspondence in a three-dimensional second-order topological insulator.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at https://journals.aps.org/prresearch/-
dc.relation.ispartofPhysical Review Research-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleBulk-hinge correspondence and three-dimensional quantum anomalous Hall effect in second-order topological insulators-
dc.typeArticle-
dc.identifier.emailFu, B: fubo@hku.hk-
dc.identifier.emailShen, S: sshen@hkucc.hku.hk-
dc.identifier.authorityShen, S=rp00775-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevResearch.3.033177-
dc.identifier.scopuseid_2-s2.0-85115892606-
dc.identifier.hkuros324914-
dc.identifier.volume3-
dc.identifier.issue3-
dc.identifier.spagearticle no. 033177-
dc.identifier.epagearticle no. 033177-
dc.identifier.isiWOS:000686921400010-
dc.publisher.placeUnited States-

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