Chiral one-dimensional Floquet topological insulators beyond the rotating wave approximation

Kennes, Dante M. and Müller, Niclas and Pletyukhov, Mikhail and Weber, Clara and Bruder, Christoph and Hassler, Fabian and Klinovaja, Jelena and Loss, Daniel and Schoeller, Herbert. (2019) Chiral one-dimensional Floquet topological insulators beyond the rotating wave approximation. Physical Review B, 100 (4). 041103.

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Official URL: https://edoc.unibas.ch/74549/

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We study one-dimensional Floquet topological insulators with chiral symmetry going beyond the standard rotating wave approximation. The occurrence of many anticrossings between Floquet replicas leads to a dramatic extension of phase diagram regions with stable topological edge states (TESs). We present an explicit construction of all TESs in terms of a truncated Floquet Hamiltonian in frequency space, prove the bulk-boundary correspondence, and analyze the stability of the TESs in terms of their localization lengths. We propose experimental tests of our predictions in curved bilayer graphene.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph and Loss, Daniel and Klinovaja, Jelena
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:16 Apr 2020 13:10
Deposited On:16 Apr 2020 13:10

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