Tunable fragile topology in Floquet systems

Volume: 103, Issue: 12
Published: Mar 24, 2021
Abstract
We extend the notion of fragile topology to periodically-driven systems. We demonstrate driving-induced fragile topology in two different models, namely, the Floquet honeycomb model and the Floquet \piflux square-lattice model. In both cases, we discover a rich phase diagram that includes Floquet fragile topological phases protected by crystalline rotation or mirror symmetries, Floquet Chern insulators, and trivial atomic phases, with...
Paper Details
Title
Tunable fragile topology in Floquet systems
Published Date
Mar 24, 2021
Volume
103
Issue
12
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