Sadel CH, Schulz-Baldes H (2017)
Publication Language: English
Publication Type: Journal article
Publication year: 2017
Book Volume: 20
Article Number: 22
URI: https://link.springer.com/article/10.1007/s11040-017-9253-1
DOI: 10.1007/s11040-017-9253-1
A Floquet systems is a periodically driven quantum system. It can be described by a Floquet operator. If this unitary operator has a gap in the spectrum, then one can define associated topological bulk invariants which can either only depend on the bands of the Floquet operator or also on the time as a variable. It is shown how a K-theoretic result combined with the bulk-boundary correspondence leads to edge invariants for the half-space Floquet operators. These results also apply to topological quantum walks.
APA:
Sadel, C.H., & Schulz-Baldes, H. (2017). Topological boundary invariants for Floquet systems and quantum walks. Mathematical Physics Analysis and Geometry, 20. https://dx.doi.org/10.1007/s11040-017-9253-1
MLA:
Sadel, Christian Hermann, and Hermann Schulz-Baldes. "Topological boundary invariants for Floquet systems and quantum walks." Mathematical Physics Analysis and Geometry 20 (2017).
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