Bulk-interface correspondence from quantum distance in flat band systems

The bulk-boundary correspondence is a defining feature of non-trivial topological matter and extends from the many topological orders that can exist in these systems. Here, the authors theoretically propose a feature distinct from the conventional bulk-boundary correspondence whereby localised modes...

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Main Authors: Chang-geun Oh, Doohee Cho, Se Young Park, Jun-Won Rhim
Format: Article
Language:English
Published: Nature Portfolio 2022-12-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-022-01102-y
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author Chang-geun Oh
Doohee Cho
Se Young Park
Jun-Won Rhim
author_facet Chang-geun Oh
Doohee Cho
Se Young Park
Jun-Won Rhim
author_sort Chang-geun Oh
collection DOAJ
description The bulk-boundary correspondence is a defining feature of non-trivial topological matter and extends from the many topological orders that can exist in these systems. Here, the authors theoretically propose a feature distinct from the conventional bulk-boundary correspondence whereby localised modes exist between two flat-band systems with different geometric characters.
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spelling doaj.art-ebfa384d5fe945ffa27285ad1f8be5e72022-12-22T04:19:25ZengNature PortfolioCommunications Physics2399-36502022-12-01511710.1038/s42005-022-01102-yBulk-interface correspondence from quantum distance in flat band systemsChang-geun Oh0Doohee Cho1Se Young Park2Jun-Won Rhim3Research Institute for Basic Science, Ajou UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics and Origin of Matter and Evolution of Galaxies (OMEG) Institute, Soongsil UniversityDepartment of Physics, Ajou UniversityThe bulk-boundary correspondence is a defining feature of non-trivial topological matter and extends from the many topological orders that can exist in these systems. Here, the authors theoretically propose a feature distinct from the conventional bulk-boundary correspondence whereby localised modes exist between two flat-band systems with different geometric characters.https://doi.org/10.1038/s42005-022-01102-y
spellingShingle Chang-geun Oh
Doohee Cho
Se Young Park
Jun-Won Rhim
Bulk-interface correspondence from quantum distance in flat band systems
Communications Physics
title Bulk-interface correspondence from quantum distance in flat band systems
title_full Bulk-interface correspondence from quantum distance in flat band systems
title_fullStr Bulk-interface correspondence from quantum distance in flat band systems
title_full_unstemmed Bulk-interface correspondence from quantum distance in flat band systems
title_short Bulk-interface correspondence from quantum distance in flat band systems
title_sort bulk interface correspondence from quantum distance in flat band systems
url https://doi.org/10.1038/s42005-022-01102-y
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AT dooheecho bulkinterfacecorrespondencefromquantumdistanceinflatbandsystems
AT seyoungpark bulkinterfacecorrespondencefromquantumdistanceinflatbandsystems
AT junwonrhim bulkinterfacecorrespondencefromquantumdistanceinflatbandsystems