16 citations · 84 across the 22 of their papers we have counts for
23 papers
Pairing from repulsive interactions in twisted WSe2 from functional renormalization
Hannes Braun, Dumitru Călugăru, Pietro M. Bonetti +9
Motivated by the observation of superconductivity in twisted bilayer WSe over an extended range of displacement fields, reaching from the correlated insulator down to zero fiel…
Gauge-covariant magnetic Bloch sums for general multiorbital Hofstadter models
Hao Shi, Tianyu Qiao, Wangqian Miao +3
We formulate a unified treatment of the Hofstadter problem for general two-dimensional multiorbital Peierls tight-binding Hamiltonians using a gauge-covariant magnetic Bloch-sum ba…
Relative hybridization textures as local coordinates for band geometry and topology
Caiyuan Ye, Zhong Fang, Hongming Weng +1
Global diagnostics such as Berry curvature and quantum metrics characterize the geometry and topology of an occupied Bloch subspace, leaving the microscopic sectors that carry this…
A Catalogue of Topological Moiré Bands in Twisted Semiconductors
Jiaheng Li, Yan Zhang, Jiaxuan Liu +5
Twisted two-dimensional semiconductors provide a route to flat and topological moiré minibands, but systematic principles for organizing their material dependence have remained unc…
A Geometric Design Principle for Topological Phases in Twisted Triangular-Lattice Bilayers
Jiaheng Li, Jiaxuan Liu, Yan Zhang +3
Twisted van der Waals bilayers provide a versatile platform for moiré electronic states, yet a transferable symmetry-based principle for time-reversal-invariant moir…
Nonsymmorphic Time-Reversal-Doubled Axion Insulators
Yue Xie, Haohao Sheng, Quansheng Wu +4
The axion insulator exhibits a topological magnetoelectric effect characterized by an axion angle , while the time-reversal-doubled axion insulator (T-DAXI) can be viewed as t…
Majorana Zero Modes and Topological Nature in Bi2Ta3S6-family Superconductors
Yue Xie, Zhilong Yang, Ruihan Zhang +7
In this work, we report that Bi2Ta3S6-family superconductors exhibit nontrivial band topology. They possess a natural quantum-well structure consisting of alternating stacks of TaS…
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…
Ferroelectric switching of quantum anomalous Hall effects in MnBi2Te4 films
Jiaheng Li, Quansheng Wu, Hongming Weng
The integration of ferroelectric and topological materials offers a promising avenue for advancing the development of quantum material devices. In this work, we explore the strong…
Materials discovery acceleration by using condition generative methodology
Caiyuan Ye, Yuzhi Wang, Xintian Xie +10
With the rapid advancement of AI technologies, generative models have been increasingly employed in the exploration of novel materials. By integrating traditional computational app…
SDW driven "magnetic breakdown" in a d-wave altermagnet KVSeO
Xu Yan, Ziyin Song, Juntao Song +3
Altermagnets, combining zero net magnetization with intrinsic spin splitting, demonstrate unique quantum phenomena crucial for spintronic applications. KVSeO is proven to b…
High-Chern-number Quantum anomalous Hall insulators in mixing-stacked MnBiTe thin films
Jiaheng Li, Quansheng Wu, Hongming Weng
Quantum anomalous Hall (QAH) insulators are characterized by vanishing longitudinal resistance and quantized Hall resistance in the absence of an external magnetic field. Among the…
Observation of topological Anderson Chern insulator phase in MnBiTe monolayer
Anqi Wang, Bo Yin, Zikang Su +23
The correlation of topology and disorder has attracted great intention due to appropriate disorder could induce the phase transition between trivial and nontrivial topological stat…
Polarization-induced Quantum Spin Hall Insulator and Topological Devices in InAs Quantum Wells
Chenhao Liang, Sheng Zhang, Haohao Sheng +4
In this work, we predict the emergence of a quantum spin Hall insulator (QSHI) in conventional semiconductors, specifically InAs quantum wells, driven by a built-in polarization fi…
Stacking-dependent Electronic and Topological Properties in van der Waals Antiferromagnet MnBiTe Films
Jiaheng Li, Quansheng Wu, Hongming Weng
Combining first-principles calculations and tight-binding Hamiltonians, we study the stack-dependent behaviour of electronic and topological properties of layered antiferromagnet M…
DPmoire: A tool for constructing accurate machine learning force fields in moiré systems
Jiaxuan Liu, Zhong Fang, Hongming Weng +1
In moiré systems, the impact of lattice relaxation on electronic band structures is significant, yet the computational demands of first-principles relaxation are prohibitively high…
Universal Moiré-Model-Building Method without Fitting: Application to Twisted MoTe and WSe
Yan Zhang, Hanqi Pi, Jiaxuan Liu +8
We develop a comprehensive method to construct analytical continuum models for moiré systems directly from first-principle calculations without any parameter fitting. The core idea…
Enhancing Large Language Models with Domain-Specific Knowledge: The Case in Topological Materials
HuangChao Xu, Baohua Zhang, Zhong Jin +3
Large language models (LLMs), such as ChatGPT, have demonstrated impressive performance in the text generation task, showing the ability to understand and respond to complex instru…
Topological Superconductivity in Monolayer T-MoTe
Xin-Zhi Li, Zhen-Bo Qi, Quansheng Wu +1
Topological superconductivity has attracted significant attention due to its potential applications in quantum computation, but its experimental realization remains challenging. Re…
Observation of dichotomic field-tunable electronic structure in twisted monolayer-bilayer graphene
Hongyun Zhang, Qian Li, Youngju Park +18
Twisted bilayer graphene (tBLG) provides a fascinating platform for engineering flat bands and inducing correlated phenomena. By designing the stacking architecture of graphene lay…
Complex field-, temperature-, and angle-dependent Hall effects from intrinsic Fermi surface revealed by first-principles calculations
ShengNan Zhang, Zhihao Liu, Hanqi Pi +3
The Hall effect, ever intriguing since its discovery, has spurred the exploration of its phenomena, intensified by advances in topology and novel materials. Differentiating the ord…
Moiré Fractional Chern Insulators II: First-principles Calculations and Continuum Models of Rhombohedral Graphene Superlattices
Jonah Herzog-Arbeitman, Yuzhi Wang, Jiaxuan Liu +10
The experimental discovery of fractional Chern insulators (FCIs) in rhombohedral pentalayer graphene twisted on hexagonal boron nitride (hBN) has preceded theoretical prediction. S…
Moiré Fractional Chern Insulators I: First-principles calculations and Continuum Models of Twisted Bilayer MoTe
Yujin Jia, Jiabin Yu, Jiaxuan Liu +6
Recent experiments observed fractional Chern insulators (FCI) in twisted bilayer MoTe at zero magnetic field, yet even the single-particle model of this material is controversi…