Low-frequency and Moiré–Floquet engineering: A review
We review recent work on low-frequency Floquet engineering and its application to quantum
materials driven by light, focusing on van der Waals systems hosting Moiré superlattices …
materials driven by light, focusing on van der Waals systems hosting Moiré superlattices …
Periodic table for Floquet topological insulators
R Roy, F Harper - Physical Review B, 2017 - APS
Dynamical phases with novel topological properties are known to arise in driven systems of
free fermions. In this paper, we obtain a 'periodic table'to describe the phases of such time …
free fermions. In this paper, we obtain a 'periodic table'to describe the phases of such time …
Topological singularities and the general classification of Floquet–Bloch systems
Recent works have demonstrated that the Floquet–Bloch bands of periodically-driven
systems feature a richer topological structure than their non-driven counterparts. The …
systems feature a richer topological structure than their non-driven counterparts. The …
Floquet engineering of topological states in realistic quantum materials via light-matter interactions
Electronic states in quantum materials can be engineered by light irradiation, which is
greatly advanced by ab-initio computational predictions in realistic light-matter coupled …
greatly advanced by ab-initio computational predictions in realistic light-matter coupled …
Topological invariants of Floquet systems: General formulation, special properties, and Floquet topological defects
Periodically driven (Floquet) systems have been under active theoretical and experimental
investigations. This paper aims at a systematic study in the following aspects of Floquet …
investigations. This paper aims at a systematic study in the following aspects of Floquet …
Floquet topological transitions in a driven one-dimensional topological insulator
The Su–Schrieffer–Heeger model of polyacetylene is a paradigmatic Hamiltonian exhibiting
nontrivial edge states. By using Floquet theory we study how the spectrum of this one …
nontrivial edge states. By using Floquet theory we study how the spectrum of this one …
Light-induced phase crossovers in a quantum spin Hall system
In this work, we theoretically investigate the light-induced topological phases and finite-size
crossovers in a paradigmatic quantum spin Hall (QSH) system with high-frequency pumping …
crossovers in a paradigmatic quantum spin Hall (QSH) system with high-frequency pumping …
All-optical band engineering of gapped Dirac materials
We demonstrate theoretically that the interaction of electrons in gapped Dirac materials
(gapped graphene and transition-metal dichalchogenide monolayers) with a strong off …
(gapped graphene and transition-metal dichalchogenide monolayers) with a strong off …
Effective Floquet Hamiltonian in the low-frequency regime
We develop a theory to derive effective Floquet Hamiltonians in the weak-drive and low-
frequency regime. We construct the theory in analogy with band theory for electrons in a …
frequency regime. We construct the theory in analogy with band theory for electrons in a …
Hierarchy of Floquet gaps and edge states for driven honeycomb lattices
Electromagnetic driving in a honeycomb lattice can induce gaps and topological edge states
with a structure of increasing complexity as the frequency of the driving lowers. While the …
with a structure of increasing complexity as the frequency of the driving lowers. While the …