16 citations · 40 across the 11 of their papers we have counts for
12 papers
Supermoiré Reconstruction and Topological Mosaics in Twisted Trilayer WSe and MoTe
Hai Meng, Yang Xu, Fengcheng Wu
We investigate lattice relaxation and band structures of helical and alternating twisted trilayer WSe and MoTe using machine-learning force fields and large-scale ab initio…
Chiral superconductors and competing states across a Lifshitz transition in rhombohedral pentalayer graphene
Chuanqi Zheng, Cheng Xu, Chushan Li +19
Rhombohedral multilayer graphene hosts a distinctive low-energy electronic structure in which strong Coulomb interactions and nontrivial quantum geometry intertwine to generate exo…
Supermoiré Chern mosaic in helical trilayer WSe2
Zhenyu Wang, Mingjie Zhang, Hai Meng +19
Helically twisted multilayers offer access to moiré physics beyond the single-superlattice paradigm, yet their correlated and topological transport properties remain largely unexpl…
Simultaneous nanoscale imaging of local conductivity and chemical potential in a quantum Hall isospin ferromagnet
Jiawei Hu, Shiyu Zhu, Bohao Li +7
Quantum Hall isospin ferromagnetism in multilayer graphene offers a versatile playground for exploring flat band correlated physics, driven by the intricate coupling of spin, valle…
Signature of gate tunable superconducting network in twisted bilayer graphene
Yingbo Wang, Yingzhuo Han, Lu Cao +14
Twisted van der Waals materials provide a tunable platform for investigating two-dimensional superconductivity and quantum phases. Using spectra-imaging scanning tunneling microsco…
Surface-dependent Majorana vortex phases in topological crystalline insulators
Xun-Jiang Luo, Xiao-Hong Pan, Yilin Shi +1
The topological crystalline insulator SnTe exhibits two types of surface Dirac cones: one located at non-time-reversal-invariant momenta on the (001) and (110) surfaces, and the ot…
Family of third-order topological insulators from Su-Schrieffer-Heeger stacking
Xun-Jiang Luo, Jia-Zheng Li, Meng Xiao +1
We construct a family of chiral symmetry-protected third-order topological insulators by stacking Su-Schrieffer-Heeger (SSH) chains and provide a unified topological characterizati…
Boundary topological insulators and superconductors of Altland-Zirnbauer tenfold classes
Xun-Jiang Luo, Fengcheng Wu
In a class of systems, there are gapped boundary-localized states described by a boundary Hamiltonian. The topological classification of gapped boundary Hamiltonians, same as the s…
Characterization of higher-order topological superconductors using Bott indices
Xun-Jiang Luo, Jia-Zheng Li, Meng Xiao +1
The abundance of bulk and boundary topologies in higher-order topological phases offer remarkable tunability and diversity to boundary states but also pose a challenge to their uni…
Quantum simulation of honeycomb lattice model by high-order moiré pattern
Qiang Wan, Chunlong Wu, Xun-Jiang Luo +11
Moiré superlattices have become an emergent solid-state platform for simulating quantum lattice models. However, in single moiré device, Hamiltonians parameters like lattice consta…
Exact Universal Characterization of Chiral-Symmetric Higher-Order Topological Phases
Jia-Zheng Li, Xun-Jiang Luo, Fengcheng Wu +1
Utilizing Bott index vectors formulated through a series of polynomials of position operators under open boundary conditions, we establish a universal, rigorous, and complete corre…
Generalization of Benalcazar-Bernevig-Hughes model to arbitrary dimensions
Xun-Jiang Luo, Fengcheng Wu
The Benalcazar-Bernevig-Hughes (BBH) model [Science 357, 61 (2017)], featuring bulk quadrupole moment, edge dipole moments, and corner states, is a paradigm of both higher-order to…