Mapping the Magnetic Fields of Fractional Chern Insulator States in Twisted MoTe2 Bilayers
Researchers directly imaged the magnetic signatures of fractional Chern insulator states in twisted bilayers of MoTe2, revealing the robust nature of these topological states despite the presence of structural disorder.
Realization of a Fractional Chern Mosaic in Helical Trilayer Graphene with Spatially Varying Topological Order
This research paper proposes a theoretical framework for realizing a fractional Chern mosaic in helical trilayer graphene (HTG), a novel quantum state characterized by spatially varying topological order, where electrons fractionalize into quasiparticles with varying anyonic statistics across different domains.
双曲フラクショナルチャーン絶縁体における従来型および非従来型のν = 1/2状態
双曲格子におけるフラクショナルチャーン絶縁体において、従来型と非従来型の二種類のν = 1/2状態が存在することが、数値計算と試行波動関数を用いた解析によって明らかになった。
Fractional Chern Insulators in Hyperbolic Lattices: Exploring Conventional and Unconventional States
This paper numerically demonstrates the existence of two types of ν=1/2 fractional Chern insulator (FCI) states in hyperbolic lattices: conventional FCIs with all particles in topological flat bands and unconventional FCIs with one particle in a center-localized orbital, highlighting the role of hyperbolic geometry in their formation.
Fractionally Quantized Electric Polarization and Discrete Shift in Crystalline Fractional Chern Insulators: A Numerical Study Using Parton Construction
Fractional Chern insulators (FCIs) exhibit unique topological properties distinct from continuum fractional quantum Hall states, characterized by fractionally quantized electric polarization and discrete shifts, which can be numerically demonstrated using model wave functions obtained through the parton construction.
Realization of a Fractional Chern Insulator with Chern Number 2 in a Twisted Bilayer Checkerboard Lattice Model
This research paper presents theoretical evidence for the existence of a fractional Chern insulator (FCI) with Chern number 2 in a magic angle twisted bilayer checkerboard lattice (MATBCB) model at a filling fraction of ν=1/5.
이상적인 조건에서 벗어난 분수 체른 절연체의 양자 기하학 및 안정화
이상적인 양자 기하학 조건에서 벗어나, 전자 간의 강한 상호 작용이 존재하는 체른 밴드에서 분수 체른 절연체(FCI)의 안정성에 양자 기하학이 미치는 영향을 분석합니다. 특히, 비이상적인 기하학에서 나타나는 aFCI 상이 FCI 형성을 방해하고, 자기장을 통해 FCI와 aFCI의 안정화 조건을 조절할 수 있음을 밝힙니다.
Quantum Geometry's Role in Stabilizing Fractional Chern Insulators: Analyzing a Realistic Model
Non-ideal quantum geometry, characterized by a large topological correlation length, can hinder the formation of Fractional Chern Insulators (FCIs) by promoting a competing anti-FCI phase, as demonstrated in an anisotropic coupled-wire model.
基於複合費米子視角探討扭曲雙層二碲化鉬中的分數陳絕緣體
本研究利用複合費米子理論，揭示了扭曲雙層二碲化鉬（tMoTe2）中一種新的分數陳絕緣體（FCI）系列，並探討了晶格效應如何影響這些拓撲相，特別是高階凡霍夫奇異點如何導致拓撲量子相變。
뒤틀린 이중층 MoTe2에서의 분수 체른 절연체: 복합 페르미온 관점
뒤틀린 이중층 MoTe2에서 나타나는 분수 체른 절연체를 복합 페르미온 접근 방식을 통해 설명하고, 이를 통해 외부 자기장 없이 구현되는 새로운 분수 위상 상태와 양자 상전이 메커니즘을 예측합니다.
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