7.1k citations · 54.5k across the 318 of their papers we have counts for
35 papers · 1 filter
Organizing Principles for Moiré Quantum Matter
Qiaoling Xu, Yifan Gao, Tao Zhang +16
Moiré flat bands in van der Waals bilayers are usually discussed through a small set of mechanisms associated with the and valleys of hexagonal crystals, and more recently…
Engineering topological flat bands in -valley moiré systems with Ising-type SOC: twisted 1T-ZrS and 1T-SnSe
Hanqi Pi, Yves H. Kwan, Haoyu Hu +8
Twisted moiré superlattices hosting topological flat bands provide a platform to explore the interplay between topology and correlations. Here we investigate topological band struc…
Chern-Selective multi-valley Flat Bands in Twisted Mono-Bilayer and Mono-Trilayer MoTe
Ziyue Qi, Hanqi Pi, Yan Zhang +6
The interplay between moiré flat bands originating from different valleys can give rise to a variety of exotic quantum phases. In this work, we investigate the electronic propertie…
2D Theoretically Twistable Material Database
Yi Jiang, Urko Petralanda, Grigorii Skorupskii +30
The study of twisted two-dimensional (2D) materials, where twisting layers create moiré superlattices, has created opportunities for investigating topological phases and strongly c…
Catalogue of Phonon Instabilities in Symmetry Group 191 Kagome MTZ Materials
X. Feng, Y. Jiang, H. Hu +6
Kagome materials manifest rich physical properties due to the emergence of abundant electronic phases. Here, we carry out a high-throughput first-principles study of the kagome 1:6…
New magnetic topological materials from high-throughput search
Iñigo Robredo, Yuanfeng Xu, Yi Jiang +5
We conducted a high-throughput search for topological magnetic materials on 522 new, experimentally reported commensurate magnetic structures from MAGNDATA, doubling the number of…
Semi-Dirac Fermions in a Topological Metal
Yinming Shao, Seongphill Moon, A. N. Rudenko +14
Topological semimetals with massless Dirac and Weyl fermions represent the forefront of quantum materials research. In two dimensions (2D), a peculiar class of fermions that are ma…
Majorana corner modes in unconventional monolayers of the 1T-PtSe2 family
Haohao Sheng, Yue Xie, Quansheng Wu +5
In this work, we propose that Majorana zero modes can be realized at the corners of the two-dimensional unconventional insulator. We demonstrate that 1T-PtSe2 is a symmetry indicat…
Electron Doping of a Double Perovskite Flat-band System
Lun Jin, Nicodemos Varnava, Danrui Ni +5
Electronic structure calculations indicate that the Sr2FeSbO6 double perovskite has a flat-band set just above the Fermi level that includes contributions from ordinary sub-bands w…
Catalogue of topological phonon materials
Yuanfeng Xu, M. G. Vergniory, Da-Shuai Ma +5
Phonons play a crucial role in many properties of solid state systems, such as thermal and electrical conductivity, neutron scattering and associated effects or superconductivity.…
Obstructed surface states as the origin of catalytic activity in inorganic heterogeneous catalysts
Guowei Li, Yuanfeng Xu, Zhida Song +8
The discovery of new catalysts that are efficient, sustainable, and low-cost is a major research endeavor for many industrial chemical processes. This requires an understanding and…
Three-Dimensional Real Space Invariants, Obstructed Atomic Insulators and A New Principle for Active Catalytic Sites
Yuanfeng Xu, Luis Elcoro, Guowei Li +7
Topologically trivial insulators come in two kinds: atomic, where the Wannier charge centers (WCCs) are localized on the atoms, and obstructed atomic, where the WCCs are located aw…
Quasi-symmetry protected topology in a semi-metal
Chunyu Guo, Lunhui Hu, Carsten Putzke +10
The crystal symmetry of a material dictates the type of topological band structures it may host, and therefore symmetry is the guiding principle to find topological materials. Here…
Filling-Enforced Obstructed Atomic Insulators
Yuanfeng Xu, Luis Elcoro, Zhi-Da Song +6
Topological band theory has achieved great success in the high-throughput search for topological band structures both in paramagnetic and magnetic crystal materials. However, a sig…
Topological Materials Discovery from Crystal Symmetry
Benjamin J. Wieder, Barry Bradlyn, Jennifer Cano +8
Topological materials discovery has evolved at a rapid pace over the past 15 years following the identification of the first nonmagnetic topological insulators (TIs), topological c…
All Topological Bands of All Nonmagnetic Stoichiometric Materials
Maia G. Vergniory, Benjamin J. Wieder, Luis Elcoro +4
Topological Quantum Chemistry and Symmetry-Based Indicators have facilitated large-scale searches for materials with topological properties at the Fermi energy (). We report…
Crystalline symmetry-protected non-trivial topology in prototype compound BaAl
Kefeng Wang, Ryo Mori, Zhijun Wang +9
The BaAl prototype crystal structure is the most populous of all structure types, and is the building block for a diverse set of sub-structures including the famous ThCrSi$…
Six-fold Excitations in Electrides
Simin Nie, B. Andrei Bernevig, Zhijun Wang
Due to the lack of full rotational symmetry in condensed matter physics, solids exhibit new excitations beyond Dirac and Weyl fermions, of which the six-fold excitations have attra…
High-throughput calculations of magnetic topological materials
Yuanfeng Xu, Luis Elcoro, Zhida Song +6
The discoveries of intrinsically magnetic topological materials, including semimetals with a large anomalous Hall effect and axion insulators, have directed fundamental research in…
Detection of Topological Materials with Machine Learning
Nikolas Claussen, B. Andrei Bernevig, Nicolas Regnault
Databases compiled using ab-initio and symmetry-based calculations now contain tens of thousands of topological insulators and topological semimetals. This makes the application of…
A Charge-Density-Wave Topological Semimetal
Wujun Shi, Benjamin J. Wieder, H. L. Meyerheim +14
Topological physics and strong electron-electron correlations in quantum materials are typically studied independently. However, there have been rapid recent developments in quantu…
Topological Lifshitz Transitions and Fermi Arc Manipulation in Weyl Semimetal NbAs
H. F. Yang, L. X. Yang, Z. K. Liu +9
Surface Fermi arcs (SFAs), the unique open Fermi-surfaces (FSs) discovered recently in topological Weyl semimetals (TWSs), are unlike closed FSs in conventional materials and can g…
Glide-resolved photoemission spectroscopy: Measuring topological invariants in nonsymmorphic space groups
A. Alexandradinata, Zhijun Wang, B. Andrei Bernevig +1
The two classes of 3D, time-reversal-invariant insulators are known to subdivide into four classes in the presence of glide symmetry. Here, we extend this classification of insulat…
The (High Quality) Topological Materials In The World
M. G. Vergniory, L. Elcoro, C. Felser +3
"Topological Quantum Chemistry (TQC) links the chemical and symmetry structure of a given material with its topological properties. This field tabulates the data of the 10398 real-…