Singular flat bands

JW Rhim, BJ Yang - Advances in Physics: X, 2021 - Taylor & Francis
We review recent progresses in the study of flat band systems, especially focusing on the
fundamental physics related to the singularity of the flat band's Bloch wave functions. We first …

Engineering of flat bands and Dirac bands in two-dimensional covalent organic frameworks (COFs): relationships among molecular orbital symmetry, lattice symmetry …

X Ni, H Li, F Liu, JL Brédas - Materials Horizons, 2022 - pubs.rsc.org
Two-dimensional covalent organic frameworks (2D-COFs), also referred to as 2D polymer
networks, display unusual electronic-structure characteristics, which can significantly enrich …

Reconfigurable moiré nanolaser arrays with phase synchronization

HY Luan, YH Ouyang, ZW Zhao, WZ Mao, RM Ma - Nature, 2023 - nature.com
Reconfigurable moiré nanolaser arrays with phase synchronization | Nature Skip to main
content Thank you for visiting nature.com. You are using a browser version with limited support …

Photonic flatband resonances for free-electron radiation

Y Yang, C Roques-Carmes, SE Kooi, H Tang, J Beroz… - Nature, 2023 - nature.com
Flatbands have become a cornerstone of contemporary condensed-matter physics and
photonics. In electronics, flatbands entail comparable energy bandwidth and Coulomb …

Type-III and tilted Dirac cones emerging from flat bands in photonic orbital graphene

M Milićević, G Montambaux, T Ozawa, O Jamadi… - Physical Review X, 2019 - APS
The extraordinary electronic properties of Dirac materials, the two-dimensional partners of
Weyl semimetals, arise from the linear crossings in their band structure. When the dispersion …