Recent developments in fractional Chern insulators
Z Liu, EJ Bergholtz - arxiv preprint arxiv:2208.08449, 2022 - arxiv.org
Fractional Chern insulators (FCIs) are lattice generalizations of the conventional fractional
quantum Hall effect (FQHE) in two-dimensional (2D) electron gases. They typically arise in a …
quantum Hall effect (FQHE) in two-dimensional (2D) electron gases. They typically arise in a …
Bridging the small and large in twisted transition metal dichalcogenide homobilayers: A tight binding model capturing orbital interference and topology across a wide …
Many of the important phases observed in twisted transition metal dichalcogenide
homobilayers are driven by short-range interactions, which should be captured by a local …
homobilayers are driven by short-range interactions, which should be captured by a local …
Three-dimensional nonlinear optical materials from twisted two-dimensional van der Waals interfaces
To enable new nonlinear responses, metamaterials are created by organizing structural
units (meta-atoms), which are typically on the scale of about a hundred nanometres …
units (meta-atoms), which are typically on the scale of about a hundred nanometres …
Layer-locked anomalous valley Hall effect in a two-dimensional -type tetragonal antiferromagnetic insulator
Antiferromagnetic (AFM) spintronics provides a route towards energy-efficient and ultrafast
device applications. Achieving anomalous valley Hall effect (AVHE) in AFM monolayers is …
device applications. Achieving anomalous valley Hall effect (AVHE) in AFM monolayers is …
Terahertz linear/non-linear anomalous Hall conductivity of moiré TMD hetero-nanoribbons as topological valleytronics materials
Twisted moiré van der Waals heterostructures hold promise to provide a robust quantum
simulation platform for strongly correlated materials and realize elusive states of matter such …
simulation platform for strongly correlated materials and realize elusive states of matter such …
Hofstadter spectrum of Chern bands in twisted transition metal dichalcogenides
K Kolář, K Yang, F von Oppen, C Mora - Physical Review B, 2024 - APS
We study the topological bands in twisted bilayer transition metal dichalcogenides in an
external magnetic field. We first focus on a paradigmatic model of WSe 2, which can be …
external magnetic field. We first focus on a paradigmatic model of WSe 2, which can be …
Non-Abelian topological superconductivity in maximally twisted double-layer spin-triplet valley-singlet superconductors
Recent studies point to an exotic spin-triplet valley-singlet (STVS) superconducting phase in
certain two-valley electron liquids, including rhombohedral trilayer graphene, Bernal bilayer …
certain two-valley electron liquids, including rhombohedral trilayer graphene, Bernal bilayer …
Spin-orbital coupling induced isolated flat band in bismuthene with k-dependent spin texture
Flat bands exhibit many exotic physical phenomena due to the dispersionless features and
are receiving widespread attentions. In this work, a metastable bismuthene allotrope (P-3m1 …
are receiving widespread attentions. In this work, a metastable bismuthene allotrope (P-3m1 …
Recent progress on fabrication and flat-band physics in 2D transition metal dichalcogenides moiré superlattices
Moiré superlattices are formed when overlaying two materials with a slight mismatch in twist
angle or lattice constant. They provide a novel platform for the study of strong electronic …
angle or lattice constant. They provide a novel platform for the study of strong electronic …
Moir\'e plane wave expansion model for scanning tunneling microscopy simulations of incommensurate two-dimensional materials
Incommensurate heterostructures of two-dimensional (2D) materials, despite their attractive
electronic behaviour, are challenging to simulate because of the absence of translation …
electronic behaviour, are challenging to simulate because of the absence of translation …