Light-induced emergent phenomena in 2D materials and topological materials

C Bao, P Tang, D Sun, S Zhou - Nature Reviews Physics, 2022 - nature.com
Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

Recent developments in fractional Chern insulators

Z Liu, EJ Bergholtz - arxiv preprint arxiv:2208.08449, 2022 - arxiv.org
Fractional Chern insulators (FCIs) are lattice generalizations of the conventional fractional
quantum Hall effect (FQHE) in two-dimensional (2D) electron gases. They typically arise in a …

Low-frequency and Moiré–Floquet engineering: A review

M Rodriguez-Vega, M Vogl, GA Fiete - Annals of Physics, 2021 - Elsevier
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 …

Light-matter coupling and quantum geometry in moiré materials

GE Topp, CJ Eckhardt, DM Kennes, MA Sentef… - Physical Review B, 2021 - APS
Quantum geometry has been identified as an important ingredient for the physics of
quantum materials and especially of flat-band systems, such as moiré materials. On the …

Through the Lens of a Momentum Microscope: Viewing Light‐Induced Quantum Phenomena in 2D Materials

O Karni, I Esin, KM Dani - Advanced Materials, 2023 - Wiley Online Library
Van der Waals (vdW) materials at their 2D limit are diverse, flexible, and unique laboratories
to study fundamental quantum phenomena and their future applications. Their novel …

High-order nonlinear optical response of a twisted bilayer graphene

TN Ikeda - Physical Review Research, 2020 - APS
Focusing on the twist angle for the minimal commensurate structure, we perform
nonperturbative calculations of electron dynamics in the twisted bilayer graphene (TBG) …

Floquet engineering of twisted double bilayer graphene

M Rodriguez-Vega, M Vogl, GA Fiete - Physical Review Research, 2020 - APS
Motivated by the recent experimental realization of twisted double bilayer graphene (TDBG)
samples, we study, both analytically and numerically, the effects of circularly polarized light …

Floquet engineering of topological transitions in a twisted transition metal dichalcogenide homobilayer

M Vogl, M Rodriguez-Vega, B Flebus, AH MacDonald… - Physical Review B, 2021 - APS
Motivated by the recent experimental realization of twisted transition metal dichalcogenide
bilayers, we study a simplified model driven by different forms of monochromatic light. As a …

Floquet engineering and nonequilibrium topological maps in twisted trilayer graphene

IA Assi, JPF LeBlanc, M Rodriguez-Vega, H Bahlouli… - Physical Review B, 2021 - APS
Motivated by the recent experimental realization of twisted trilayer graphene and the
observed superconductivity that is associated with its flat bands at specific angles, we study …

Topological mixed valence model in magic-angle twisted bilayer graphene

Y Li, BM Fregoso, M Dzero - Physical Review B, 2024 - APS
We develop a model to describe the mixed valence regime in magic-angle twisted bilayer
graphene (MATBG) using the recently developed heavy-fermion framework. By employing …