17 citations · 45 across the 7 of their papers we have counts for
7 papers
Optical Berry Curvature of Hinge State and Its Detection
Zheng Liu, Zhenhua Qiao, Yang Gao +1
We demonstrate that the topological hinge state can possess a nontrivial optical Berry curvature in the nonAbelian formulation of the Berry curvature. It can be readily probed by t…
Valley-polarized quantum anomalous Hall effect in van der Waals heterostructures based on monolayer jacutingaite family materials
Xudong Zhu, Yuqian Chen, Zheng Liu +2
We numerically study the general valley polarization and anomalous Hall effect in van der Waals (vdW) heterostructures based on monolayer jacutingaite family materials PtAX$_…
Layer Zero-Line Modes in Antiferromagnetic Topological Insulators
Wenhao Liang, Tao Hou, Junjie Zeng +3
Recently, the magnetic domain walls have been experimentally observed in antiferromagnetic topological insulators MnBiTe, where we find that the topological zero-line modes…
Second-Order Topological Insulator in van der Waals Heterostructures of CoBr/PtHgSe/CoBr
Zheng Liu, Yafei Ren, Yulei Han +2
Second-order topological insulator, which has (d-2)-dimensional topological hinge or corner states, has been observed in three-dimensional materials, but has yet not been observed…
Thickness-Driven Quantum Anomalous Hall Phase Transition in Magnetic Topological Insulator Thin Films
Yuchen Ji, Zheng Liu, Peng Zhang +9
The quantized version of anomalous Hall effect realized in magnetic topological insulators (MTIs) has great potential for the development of topological quantum physics and low-pow…
Van der Waals Heterostructure PtHgSe/CrI for Topological Valleytronics
Zheng Liu, Yulei Han, Yafei Ren +2
We identify a valley-polarized Chern insulator in the van der Waals heterostructure, PtHgSe/CrI, for potential applications with interplay between electric, magneti…
Quantum gears from planar rotors
Zheng Liu, Joshua Leong, Stefan Nimmrichter +1
We investigate the dynamics of interacting quantum planar rotors as the building blocks of gear trains and nano-machinery operating in the quantum regime. Contrary to a classical h…