Finite barrier bound state

T Liu, K Bai, Y Zhang, D Wan, Y Lai, CT Chan… - Light: Science & …, 2024 - nature.com
A boundary mode localized on one side of a finite-size lattice can tunnel to the opposite side
which results in unwanted couplings. Conventional wisdom tells that the tunneling …

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 …

Probing the edge states of Chern insulators using microwave impedance microscopy

T Wang, C Wu, M Mogi, M Kawamura, Y Tokura… - Physical Review B, 2023 - APS
Microwave impedance microscopy (MIM) has been utilized to directly visualize topological
edge states in many quantum materials. While the microwave response for conventional …

Robust quantum anomalous Hall effect with tunable magnetization directions and Chern numbers

X Wu, R Li, X Zou, B Huang, Y Dai, C Niu - Physical Review B, 2023 - APS
The quantum anomalous Hall effect (QAHE) has attracted significant attention as it provides
intriguing platforms for exploring prominent physical phenomena and applications of low …

Induced superconducting correlations in a quantum anomalous Hall insulator

A Uday, G Lippertz, K Moors, HF Legg, R Joris… - Nature Physics, 2024 - nature.com
Thin films of ferromagnetic topological insulator materials can host the quantum anomalous
Hall effect without the need for an external magnetic field. Inducing Cooper pairing in such a …

Environmental doping-induced degradation of the quantum anomalous hall insulators

H Tay, YF Zhao, LJ Zhou, R Zhang, ZJ Yan, D Zhuo… - Nano …, 2023 - ACS Publications
The quantum anomalous Hall (QAH) insulator carries dissipation-free chiral edge current
and thus provides a unique opportunity to develop energy-efficient transformative …

Manipulating Topological Phases in Magnetic Topological Insulators

G Qiu, HY Yang, SK Chong, Y Cheng, L Tai, KL Wang - Nanomaterials, 2023 - mdpi.com
Magnetic topological insulators (MTIs) are a group of materials that feature topological band
structures with concurrent magnetism, which can offer new opportunities for technological …

Nanomolding of Two-Dimensional Materials

QP Sam, Q Tan, CD Multunas, MT Kiani… - ACS …, 2023 - ACS Publications
Lateral confinement of layered, two-dimensional (2D) materials has uniquely enabled the
exploration of several topological phenomena in electron transport due to the well-defined …

Layer-Dependent Quantum Anomalous Hall and Quantum Spin Hall Effects in Two-Dimensional LiFeTe

Y Wu, L Deng, J Tong, X Yin, G Qin… - ACS Applied Materials & …, 2024 - ACS Publications
The emergence of an intrinsic quantum anomalous Hall (QAH) insulator with long-range
magnetic order triggers unprecedented prosperity for combining topology and magnetism in …

Proximity-induced quasi-one-dimensional superconducting quantum anomalous Hall state

O Atanov, WT Tai, YM Xie, YH Ng… - Cell Reports Physical …, 2024 - cell.com
The ability to host Majorana modes, which are of great interest for more fault-tolerant
quantum computation, keeps topological superconductors in the focus of research. Here, we …