115 citations · 875 across the 30 of their papers we have counts for
30 papers
Generalized Space Groups from Internal Configuration Spaces
Zeying Zhang, Zhenye Li, Zhi-Ming Yu +2
We develop a unified construction of generalized space groups for crystals with unconventional internal degrees of freedom. Starting from the full group of allowed internal t…
Sliding Ferroelectrics Induced Hybrid-Order Topological Phase Transitions
Ning-Jing Yang, Jian-Min Zhang, Xiao-Ping Li +4
We propose ferroelectric layer sliding as a new approach to realize and manipulate topological quantum states in two-dimensional (2D) bilayer magnetic van der Waals materials. We s…
Essentially degenerate hidden nodal lines in two-dimensional magnetic layer groups
Xiao-Ping Li, Chaoxi Cui, Lei Wang +4
According to the theory of group representations, the types of band degeneracy can be divided into accidental degeneracy and essential degeneracy. The essentially degenerate nodal…
Identifying topological excitonic insulators via bulk-edge correspondence
Hongwei Qu, Zeying Zhang, Yuanchang Li
Excitonic insulator remains elusive and there has been a lack of reliable identification methods. In this work, we demonstrate the promise of topological excitonic insulators for i…
Cornertronics in Two-Dimensional Second-Order Topological Insulators
Yilin Han, Chaoxi Cui, Xiao-Ping Li +4
Traditional electronic devices rely on the electron's intrinsic degrees of freedom (d.o.f.) to process information. However, additional d.o.f. like the valley, can emerge in the lo…
Upper bound of a band complex
Si Li, Zeying Zhang, Xukun Feng +5
Band structure for a crystal generally consists of connected components in energy-momentum space, known as band complexes. Here, we explore a fundamental aspect regarding the maxim…
Three-dimensional real Chern insulator in bulk -graphyne
Xu-Tao Zeng, Bin-Bin Liu, Fan Yang +4
The real Chern insulator state, featuring nontrivial real Chern number and second-order boundary modes, has been revealed in a few two-dimensional systems. The concept can be exten…
Accurate recipe for predicting valley Linear Weyl phonons in two dimensions
Mingmin Zhong, Haibo Liu, Jianhua Wang +5
The discovery of topological quantum states in two-dimensional (2D) systems is one of the most promising advancements in condensed matter physics. Linear Weyl point (LWP) phonons h…
Berry curvature dipole and nonlinear Hall effect in two-dimensional NbSiTe
Yiwei Zhao, Jin Cao, Zeying Zhang +4
Recent experiments have demonstrated interesting physics in a family of two-dimensional (2D) composition-tunable materials NbSiTe. Here, we show that owing to…
Single pair of type-III Weyl points half-metals: BaNiIO as an example
Guangqian Ding, Jianhua Wang, Zhi-Ming Yu +3
The realization of Weyl systems with the minimum nonzero number of Weyl points (WPs) and full spin polarization remains challenging in topology physics and spintronic. In this stud…
MSGCorep: A package for corepresentations of magnetic space groups
Gui-Bin Liu, Zeying Zhang, Zhi-Ming Yu +1
Motivated by easy access to complete corepresentation (corep) data of all the 1651 magnetic space groups (MSGs) in three-dimensional space, we have developed a Mathematica package…
Dirac phonons in two-dimensional materials
Jialin Gong, Jianhua Wang, Hongkuan Yuan +2
Phonons are an ideal platform for realizing stable spinless two-dimensional (2D) Dirac points because they have a bosonic nature and hard-to-break time-reversal symmetry. It should…
Encyclopedia of emergent particles in 528 magnetic layer groups and 394 magnetic rod groups
Zeying Zhang, Weikang Wu, Gui-Bin Liu +3
We present a systematic classification of emergent particles in all 528 magnetic layer groups and 394 magnetic rod groups, which describe two-dimensional and one-dimensional crysta…
Hourglass Charge-Three Weyl Phonons
Xiaotian Wang, Feng Zhou, Zeying Zhang +2
Unconventional Weyl point with nonlinear dispersion features higher topological charge and multiple topologically protected Fermi arc states at its boundary. As a n…
Third-order charge transport in a magnetic topological semimetal
Ziming Zhu, Huiying Liu, Yongheng Ge +4
Magnetic topological materials and their physical signatures are a focus of current research. Here, by first-principles calculations and symmetry analysis, we reveal topological se…
MagneticKP: A package for quickly constructing models of magnetic and non-magnetic crystals
Zeying Zhang, Zhi-Ming Yu, Gui-Bin Liu +3
We propose an efficient algorithm to construct effective Hamiltonians, which is much faster than the previously proposed algorithms. This algor…
Inventory of high-quality flat-band van der Waals materials
Jingyi Duan, Da-Shuai Ma, Run-Wu Zhang +5
More is left to do in the field of flat bands besides proposing theoretical models. One unexplored area is the flat bands featured in the van der Waals (vdW) materials. Exploring m…
Single Pair of Weyl Points in Nonmagnetic Crystals
Xiaotian Wang, Feng Zhou, Zeying Zhang +3
Topological semimetal states having the minimal number, i.e., only a single pair, of Weyl points are desirable for the study of effects associated with chiral topological charges.…
A phonon irreducible representations calculator
Zeying Zhang, Zhi-Ming Yu, Gui-Bin Liu +1
The irreducible representation of band structure is important for physical properties. Based on phonopy and recently developed SpaceGroupIrep package, we developed a package Phonon…
Encyclopedia of emergent particles in type-IV magnetic space groups
Zeying Zhang, Gui-Bin Liu, Zhi-Ming Yu +2
The research on emergent particles in condensed matters has been attracting tremendous interest, and recently it is extended to magnetic systems. Here, we study the emergent partic…
Systematic investigation of emergent particles in type-III magnetic space groups
Gui-Bin Liu, Zeying Zhang, Zhi-Ming Yu +2
In three-dimensional (3D) crystals, emergent particles arise when two or multiple bands contact and form degeneracy (band crossing) in the Brillouin zone. Recently a complete class…
Sign-reversible valley-dependent Berry phase effects in 2D valley-half-semiconductors
Xiaodong Zhou, Run-Wu Zhang, Zeying Zhang +3
Manipulating valley-dependent Berry phase effects provides remarkable opportunities for both fundamental research and practical applications. Here, by referring to effective model…
Enhanced anomalous Nernst effects in ferromagnetic materials driven by Weyl nodes
Ilias Samathrakis, Teng Long, Zeying Zhang +2
Based on high-throughput first-principles calculations, we evaluated the anomalous Hall and anomalous Nernst conductivities of 266 transition-metal-based ferromagnetic compounds. D…
Coexistence of zero-, one- and two-dimensional degeneracy in tetragonal SnO phonons
Jianhua Wang, Hongkuan Yuan, Minquan Kuang +4
Based on the dimension of degeneracy, topological electronic systems can roughly be divided into three parts: nodal point, line and surface materials corresponding to zero-, one- a…