12 papers
Recycled Gas Dominates the Metal-rich Fuel of Supermassive Black Holes
Dongyun Kwak, Ena Choi, Hannah Jhee +5
Understanding the origin and chemical properties of gas accreted by supermassive black holes (SMBHs) is essential for linking black hole growth to galaxy evolution. Using a suite o…
Fractional High-Chern Insulator in Twisted Rhombohedral Graphene
Zexu Li, Wenxuan Wang, Fajie Wang +9
The realization of fractional Chern insulators opens up the possibility of exploring fractionally charged excitations and anyonic statistics in the absence of a magnetic field. A c…
Observation of a Reconstructed Chern Insulator in Twisted Bilayer MoTe2
Min Wu, Lingxiao Li, Yunze Ouyang +12
Twisted bilayer MoTe2 is a prototypical moire material in which long-wavelength superlattices amplify electron correlations, enabling a wealth of emergent quantum phases. To date,…
Programmable Quantum Anomalous Hall Insulator in Twisted Crystalline Flatbands
Wenxuan Wang, Yijie Wang, Zaizhe Zhang +8
The isospin flavors in condensed matters can be continuously broken, forming various symmetry-broken quantum states. In moiré crystals, the competition between different isospin c…
Magnetic-Field-Driven Insulator-Superconductor Transition in Rhombohedral Graphene
Jian Xie, Zihao Huo, Zhimou Chen +5
Recent studies of rhombohedral multilayer graphene (RMG) have revealed a variety of superconducting states that can be induced or enhanced by magnetic fields, reinforcing RMG as a…
Entangled Moire Chern Insulator in Rhombohedral Graphene
Zaizhe Zhang, Xi Chen, Kenji Watanabe +3
Graphene-based moire superlattices exhibit novel quantum phenomena driven by pronounced interactions, leading to topological corrected states like orbital Chern insulators exhibiti…