9 papers
Quantum-Geometric Design of Lattice Generalized Landau Levels
Bohao Li, Fengcheng Wu
We design lattice models with tailored quantum geometry, including generalized Landau levels (LLs) satisfying the integrated trace condition and higher-Chern bands with ideal quant…
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…
Abelian and non-Abelian fractionalized states in twisted MoTe: A generalized Landau-level theory
Bohao Li, Yunze Ouyang, Fengcheng Wu
Fractional Chern insulators are lattice analogs of fractional quantum Hall states that realize fractionalized quasiparticles without an external magnetic field. A key strategy to u…
Characterization of fractional Chern insulator quasiparticles in twisted homobilayer MoTe
Zhao Liu, Bohao Li, Yuhao Shi +1
We provide a detailed study of Abelian quasiparticles of valley polarized fractional Chern insulators (FCIs) residing in the top valence band of twisted bilayer MoTe (tMoTe…
Quantum Phases in Twisted Homobilayer Transition Metal Dichalcogenides
Bohao Li, Wen-Xuan Qiu, Fengcheng Wu +1
Twisted homobilayer transition metal dichalcogenides - specifically twisted bilayer MoTe and twisted bilayer WSe - have recently emerged as a versatile platform for strongl…
Variational Mapping of Chern Bands to Landau Levels: Application to Fractional Chern Insulators in Twisted MoTe
Bohao Li, Fengcheng Wu
We present a theoretical study of mapping between Chern bands and generalized Landau levels in twisted bilayer MoTe (MoTe), where fractional Chern insulators down to zer…