Fragility of spectral flow for topological phases in non-Wigner-Dyson classes

URN zum Zitieren dieses Dokuments:: urn:nbn:de:bvb:355-epub-547482
DOI zum Zitieren dieses Dokuments:: 10.5283/epub.54748

Altland, Alexander ; Brouwer, Piet W ; Dieplinger, Johannes

; Foster, Matthew S ; Moreno-Gonzalez, Mateo ; Trifunovic, Luka

Lizenz: Creative Commons Namensnennung 4.0 International
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Veröffentlichungsdatum dieses Volltextes: 28 Sep 2023 16:45

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Zusammenfassung

Topological insulators and superconductors support extended surface states protected against the otherwise localizing effects of static disorder. Specifically, in the Wigner-Dyson insulators belonging to the symmetry classes A, AI, and AII, a band of extended surface states is continuously connected to a likewise extended set of bulk states forming a ``bridge'' between different surfaces via the ...