67 citations · 146 across the 24 of their papers we have counts for
27 papers
Transdimensional Chern insulators in rhombohedral multilayer graphene superlattices
Min Li, Xin Lu, Lei Wang +1
Recent experiments on lightly electron-doped rhombohedral multilayer graphene (RMG) in the "transdimensional" regime revealed anomalous Hall hysteresis under both perpendicular and…
Hilbert-space selected switch of helical edges in an artificial quantum Hall insulator
Naijie Ren, Zhiren Xiong, Kaining Yang +9
Quantum Hall effects (QHE) host one-dimensional topologically-protected edge channels, which can serve as an essential ingredient in exotic quantum electronic systems. Yet the manu…
Gradient-based optimization of non-Abelian fractional quantum states in patterned superlattices
Yifei Guan, Lichen Yu, Zizhuang Liu +2
The realization of fractional Chern insulator (FCI) states in moiré heterostructures has attracted intense interest in the study of correlated topological states. So far, most expe…
Layer-parity-defined surface polarization in NbCl for excitonic modulation at van der Waals interfaces
Xinyue Huang, Hansheng Xu, Yuchen Gao +10
The intrinsic symmetry breaking in the breathing kagome lattice of layered NbCl provides a unique mechanism for realizing electrically polar surfaces. In each monolayer, th…
Charge imprinting biases topology of correlated insulator in hBN-aligned rhombohedral multilayer graphene
Lei Qiao, Xin Lu, Fu-Chun Zhang +1
Rhombohedral multilayer graphene aligned with hexagonal boron nitride (RMG-hBN) hosts correlated Chern phases, but the microscopic role of hBN stacking remains unclear, especially…
Stack of correlated insulating states in bilayer graphene kagome superlattice
Xinyu Cai, Fengfan Ren, Qiao Li +9
Graphene-based systems have emerged as a rich platform for exploring emergent quantum phenomena-including superconductivity, magnetism, and correlated insulating behavior-arising f…
Correlated states in charge-transfer heterostructures based on rhombohedral multilayer graphene
Yanran Shi, Min Li, Xin Lu +1
Charge transfer is a common phenomenon in van der Waals heterostructures with proper work function mismatch, which enables electrostatic gating to control band alignment and interl…
A Numerical Perspective on Moiré Superlattices: From Single-Particle Properties to Many-Body Physics
Xin Lu, Bo Xie, Jianpeng Liu
Moiré superlattices in two-dimensional materials provide a versatile platform to explore strongly correlated and topological phases. This work presents a practical theoretical work…
General Many-Body Perturbation Framework for Moiré Systems
Xin Lu, Yuanfan Yang, Zhongqing Guo +1
Moiré superlattices host a rich variety of correlated topological states, including interaction-driven integer and fractional Chern insulators. A common approach to study interacti…
Fermi lune and non-reciprocal transport in rhombohedral multilayer graphene
Min Li, Qingxin Li, Xin Lu +7
We develop a microscopic theory of Fermi-lune metals in rhombohedral multilayer graphene and investigate their non-reciprocal longitudinal transport. We show that tuning the layer…
Transdimensional anomalous Hall effect in rhombohedral thin graphite
Qingxin Li, Hua Fan, Min Li +11
Anomalous Hall effect (AHE), occurring in materials with broken time-reversal symmetry, epitomizes the intricate interplay between magnetic order and orbital motions of electrons[1…
Stacking-orientation and twist-angle control on integer and fractional Chern insulators in moiré rhombohedral graphene
Chushan Li, Chuanqi Zheng, Kai Liu +24
Rhombohedral-stacked multilayer graphene aligned with hexagonal boron nitride has emerged as an excellent platform for investigating exotic quantum phenomena arising from the inter…
Electrical switching of Chern insulators in moire rhombohedral heptalayer graphene
Zhiyu Wang, Qianling Liu, Xiangyan Han +14
In orbital Chern insulators, the chemical potential acts as a tuning knob to reverse chirality in dissipationless edge currents, enabling electric-field control of magnetic order-k…
Fractional topological states in rhombohedral multilayer graphene modulated by kagome superlattice
Yanran Shi, Bo Xie, Fengfan Ren +7
Fractional quantum anomalous Hall effects realized in twisted bilayer MoTe and multilayer-graphene-based moiré heterostructures have captured a tremendous growth of interest. I…
Real-space study of zero-field correlation in tetralayer rhombohedral graphene
Yufeng Liu, Zonglin Li, Shudan Jiang +19
Rhombohedral graphene (RG) has emerged as a promising platform for exploring exotic quantum phenomena, such as quantum magnetism, unconventional superconductivity, and fractional q…
Thickness-dependent Topological Phases and Flat Bands in Rhombohedral Multilayer Graphene
H. B. Xiao, C. Chen, X. Sui +15
Rhombohedral multilayer graphene has emerged as an extraordinary platform for investigating exotic quantum states, such as superconductivity and fractional quantum anomalous Hall e…
Probing band topology in ABAB and ABBA stacked twisted double bilayer graphene
Jundong Zhu, Le Liu, Yalong Yuan +10
Twisted graphene moire superlattice has been demonstrated as an exotic platform for investigating correlated states and nontrivial topology. Among the moire family, twisted double…
Correlation stabilized anomalous Hall crystal in bilayer graphene
Zhongqing Guo, Jianpeng Liu
When the charge density is sufficiently low, interacting two-dimensional electron gas (2DEG) would undergo a phase transition from homogeneous Fermi liquid to an electronic crystal…
Commensurate and Incommensurate Chern Insulators in Magic-angle Bilayer Graphene
Zaizhe Zhang, Jingxin Yang, Bo Xie +12
The interplay between strong electron-electron interaction and symmetry breaking can have profound influence on the topological properties of materials. In magic angle twisted bila…
Orbital magnetoelectric coupling of three dimensional Chern insulators
Xin Lu, Renwen Jiang, Zhongqing Guo +1
Orbital magnetoelectric effect is closely related to the band topology of bulk crystalline insulators. Typical examples include the half quantized Chern-Simons orbital magnetoelect…
Tunable Fractional Chern Insulators in Rhombohedral Graphene Superlattices
Jian Xie, Zihao Huo, Xin Lu +11
Fractional Chern insulators (FCIs) showing a transport effect with fractionally quantized Hall plateaus emerging under zero magnetic field, provide a radically new opportunity to e…
Giant plateau-like topological Hall effect controlled by tailoring the magnetic exchange stiffness in a kagome magnet
Wei Xia, Aile Wang, Jian Yuan +23
The ferrimagnet TbMn6Sn6 has attracted vast attention, because its pristine Mn kagome lattice with strong spin-orbit coupling and out-of-plane Tb-Mn exchange supports quantum-limit…
Theory of fractional Chern insulator states in pentalayer graphene moiré superlattice
Zhongqing Guo, Xin Lu, Bo Xie +1
The experimental discoveries of fractional quantum anomalous Hall effects under zero magnetic fields in both transition metal dichalcogenide and pentalayer graphene moiré superlatt…
Colossal Magnetoresistance in Twisted Intertwined Graphene Spirals
Yiwen Zhang, Bo Xie, Yue Yang +11
Colossal magnetoresistance (CMR) is highly applicable in spintronic devices such as magnetic sensors, magnetic memory, and hard drives. Typically, CMR is found in Weyl semimetals c…