Light-induced phase crossovers in a quantum spin Hall system

F Qin, CH Lee, R Chen - Physical Review B, 2022 - APS
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 …

Four-dimensional topological Anderson insulator with an emergent second Chern number

R Chen, XX Yi, B Zhou - Physical Review B, 2023 - APS
Four-dimensional (4D) topological insulators, which are impossible in real materials, have
attracted much attention by virtue of the recent progress achieved in quantum simulations of …

Higher-order topological Anderson insulators in quasicrystals

T Peng, CB Hua, R Chen, ZR Liu, DH Xu, B Zhou - Physical Review B, 2021 - APS
The disorder effects on higher-order topological phases in periodic systems have attracted
much attention. However, in aperiodic systems, such as quasicrystalline systems, the …

Topological Anderson insulator in electric circuits

ZQ Zhang, BL Wu, J Song, H Jiang - Physical Review B, 2019 - APS
In this paper, we investigate the realization of topological Anderson insulators in electric
circuits. A disordered Haldane model is constructed through electric circuit networks …

Realization of epitaxial NbP and TaP Weyl semimetal thin films

A Bedoya-Pinto, AK Pandeya, D Liu, H Deniz… - ACS …, 2020 - ACS Publications
Weyl semimetals (WSMs) exhibit an electronic structure governed by linear band
dispersions and degenerate (Weyl) points that lead to exotic physical phenomena. While …

Circularly polarized light irradiated ferromagnetic : A possible ideal Weyl semimetal

S Fan, S Huang, Z Chen, F Zhan, XY Ding, DS Ma… - Physical Review B, 2024 - APS
The interaction between light and nontrivial energy band topology allows for the precise
manipulation of topological quantum states, which has attracted intensive interest in …

Topological Anderson insulator phase in a quasicrystal lattice

R Chen, DH Xu, B Zhou - Physical Review B, 2019 - APS
Motivated by the recent experimental realization of the topological Anderson insulator and
research interest on the topological quasicrystal lattices, we investigate the effects of …

Higher-order topological Anderson insulator on the Sierpiński lattice

H Chen, ZR Liu, R Chen, B Zhou - Chinese Physics B, 2023 - iopscience.iop.org
Disorder effects on topological materials in integer dimensions have been extensively
explored in recent years. However, its influence on topological systems in fractional …

Photoinduced topological phase transition in monolayer

P Liu, C Cui, ZM Yu - Physical Review B, 2024 - APS
The TiSiCO-family monolayer X 2 Y CO 2 (X= Ti, Zr, Hf; Y= Si, Ge) is a two-dimensional
second-order topological insulator with unique valley-layer coupling in equilibrium …

Light-induced half-quantized Hall effect and axion insulator

F Qin, CH Lee, R Chen - Physical Review B, 2023 - APS
Motivated by the recent experimental realization of the half-quantized Hall effect phase in a
three-dimensional (3D) semimagnetic topological insulator [M. Mogi, Nat. Phys. 18, 390 …