46 citations · 151 across the 14 of their papers we have counts for
14 papers
Observation of Integer and Fractional Chern insulators in high Chern number flatbands
Jingwei Dong, Le Liu, Jundong Zhu +11
Moiré flatbands with high Chern numbers (C>1) offer opportunities to study the fractional quantum anomalous Hall effects that go beyond the Landau level paradigm with C=1, which re…
Electric field tunable coupling strength and quantum metric hot spots in a moiré flatband superconductor
Le Liu, Yu Hong, Chengping Zhang +9
Superconductivity in flatband systems has attracted tremendous attention in condensed matter physics. Alternating twisted multilayer graphene presents a compelling multiband system…
Probing band topology in ABAB and ABBA stacked twisted double bilayer graphene
Jundong Zhu, Le Liu, Yalong Yuan +10
Twisted graphene moire superlattice has been demonstrated as an exotic platform for investigating correlated states and nontrivial topology. Among the moire family, twisted double…
Observation of electrical high-harmonic generation
Xiaozhou Zan, Ming Gong, Zitian Pan +12
High-harmonic generation (HHG), an extreme nonlinear effect, introduces an unprecedented paradigm to detect emergent quantum phases and electron dynamics inconceivable in the frame…
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…
Interplay of Landau quantization and interminivalley scatterings in a weakly coupled moiré superlattice
Yalong Yuan, Le Liu, Jundong Zhu +9
Double layer quantum systems are promising platforms for realizing novel quantum phases. Here, we report a study of quantum oscillations (QOs) in a weakly coupled double layer syst…
Room-temperature correlated states in twisted bilayer MoS
Fanfan Wu, Qiaoling Xu, Qinqin Wang +20
Moiré superlattices have emerged as an exciting condensed-matter quantum simulator for exploring the exotic physics of strong electronic correlations. Notable progress has been wit…
Observation of first-order quantum phase transitions and ferromagnetism in twisted double bilayer graphene
Le Liu, Xin Lu, Yanbang Chu +14
Twisted graphene multilayers are highly tunable flatband systems for developing new phases of matter. Thus far, while orbital ferromagnetism has been observed in valley polarized p…
Electron-infrared phonon coupling in ABC trilayer graphene
Xiaozhou Zan, Xiangdong Guo, Aolin Deng +18
Stacking order plays a crucial role in determining the crystal symmetry and has significant impacts on electronic, optical, magnetic, and topological properties. Electron-phonon co…
Quantum oscillations in field-induced correlated insulators of a moiré superlattice
Le Liu, Yanbang Chu, Guang Yang +14
We report an observation of quantum oscillations (QOs) in the correlated insulators with valley anisotropy of twisted double bilayer graphene (TDBG). The anomalous QOs are best cap…
Isospin competitions and valley polarized correlated insulators in twisted double bilayer graphene
Le Liu, Shihao Zhang, Yanbang Chu +13
New phase of matter usually emerges when a given symmetry breaks spontaneously, which can involve charge, spin, and valley degree of freedoms. Here, we report an observation of new…
Spatially indirect intervalley excitons in bilayer WSe2
Zhiheng Huang, Yanchong Zhao, Tao Bo +16
Spatially indirect excitons with displaced wavefunctions of electrons and holes play a pivotal role in a large portfolio of fascinating physical phenomena and emerging optoelectron…
Temperature-linear Resistivity in Twisted Double Bilayer Graphene
Yanbang Chu, Le Liu, Cheng Shen +13
We report an experimental study of carrier density (n), displacement field (D) and twist angle (θ) dependence of temperature (T)-linear resistivity in twisted double bilayer graphe…
Emergence of Chern insulating states in non-Magic angle twisted bilayer graphene
Cheng Shen, Jianghua Ying, Le Liu +14
Twisting two layers into a magic angle (MA) of ~1.1° is found essential to create low energy flat bands and the resulting correlated insulating, superconducting, and magnetic phase…