3 papers
cond-mat.mes-hall2026
Berry-phase-based Topological Charge in Quasicrystals and their Observable Features in Photonic System
Ziyi Chen, Jinyu Zou, Jinhua Gao +1
Topological charges based on Berry phase play the fundamental role in the topological physics. However, such topological charges remain unexplored in quasicrystals, impeding the sy…
cond-mat.mes-hall2025
Flat Band and Many-body Gap in Chirally Twisted Triple Bilayer Graphene
Wenlu Lin, Wenxuan Wang, Shimin Cao +8
We experimentally investigate the band structures of chirally twisted triple bilayer graphene. The new kind of moiré structure, formed by three pieces of helically stacked Bernal…
cond-mat.mes-hall2024
Correlated Charge Density Wave Insulators in Chirally Twisted Triple Bilayer Graphene
Wenxuan Wang, Gengdong Zhou, Wenlu Lin +16
Electrons residing in flat-band system can play a vital role in triggering spectacular phenomenology due to relatively large interactions and spontaneous breaking of different dege…