56 citations · 171 across the 17 of their papers we have counts for
17 papers
Occupation Dynamics of Floquet-Volkov States and Spectral Sum Rule
Xuanxi Cai, Changhua Bao, Benshu Fan +9
Time-periodic light fields can dress electronic states in quantum materials, forming Floquet states whose dynamic occupation determines transient material properties. Here by using…
Two-Terminal Electrical Detection of the Néel Vector via Longitudinal Antiferromagnetic Nonreciprocal Transport
Guozhi Long, Hui Zeng, Mingxiang Pan +2
We propose a robust two-terminal electrical readout scheme for detecting the Néel vector orientation in antiferromagnetic (AFM) materials by leveraging longitudinal nonreciprocal t…
Giant Rashba splitting in PtTe/PtTe heterostructure
Runfa Feng, Yang Zhang, Jiaheng Li +11
Achieving a large spin splitting is highly desirable for spintronic devices, which often requires breaking of the inversion symmetry. However, many atomically thin films are centro…
Moiré enhanced flat band in rhombohedral graphene
Hongyun Zhang, Jinxi Lu, Kai Liu +17
The fractional quantum anomalous Hall effect (FQAHE) is a fascinating emergent quantum state characterized by fractionally charged excitations in the absence of magnetic field,whic…
Floquet-Volkov interference in a semiconductor
Changhua Bao, Haoyuan Zhong, Benshu Fan +9
Intense light-field can dress both Bloch electrons inside crystals and photo-emitted free electrons in the vacuum, dubbed as Floquet and Volkov states respectively. These quantum s…
Floquet optical selection rules in black phosphorus
Benshu Fan, Umberto De Giovannini, Hannes Hübener +4
Optical selection rules endorsed by symmetry are crucial for understanding the optical properties of quantum materials and the associated ultrafast spectral phenomena. Here, we int…
Light-induced ultrafast glide-mirror symmetry breaking in black phosphorus
Changhua Bao, Fei Wang, Haoyuan Zhong +6
Symmetry breaking plays an important role in fields of physics, ranging from particle physics to condensed matter physics. In solid-state materials, phase transitions are deeply li…
Manipulating the symmetry of photon-dressed electronic states
Changhua Bao, Michael Schüler, Teng Xiao +11
Strong light-matter interaction provides opportunities for tailoring the physical properties of quantum materials on the ultrafast timescale by forming photon-dressed electronic st…
Correlated topological flat bands in rhombohedral graphite
Hongyun Zhang, Qian Li, Michael G. Scheer +22
Flat bands and nontrivial topological physics are two important topics of condensed matter physics. With a unique stacking configuration analogous to the Su-Schrieffer-Heeger (SSH)…
Geometrical Nonlinear Hall Effect Induced by Lorentz Force
Junjie Yao, Yizhou Liu, Wenhui Duan
The recently discovered nonlinear Hall (NLH) effect arises either without external magnetic field (type-I) or with an in-plane magnetic field (type-II). In this work we propose a n…
Chiral Floquet Engineering on Topological Fermions in Chiral Crystals
Benshu Fan, Wenhui Duan, Angel Rubio +1
The interplay of chiralities in light and quantum matter provides an opportunity to design and manipulate chirality-dependent properties in quantum materials. Herein we report the…
Imaging moiré flat bands and Wigner molecular crystals in twisted bilayer MoTe2
Yufeng Liu, Yu Gu, Ting Bao +16
Two-dimensional semiconducting moiré materials have emerged as a highly tunable platform for exploring novel quantum phenomena. Recently, tMoTe2 has attracted significant attention…
Quantum Metric-induced Oscillations in Flat Bands
Hui Zeng, Zijian Zhou, Wenhui Duan +1
The transport of Bloch electrons under strong fields is traditionally understood through two mechanisms: intraband Bloch oscillations and interband Zener tunneling. Here, we propos…
Observation of dichotomic field-tunable electronic structure in twisted monolayer-bilayer graphene
Hongyun Zhang, Qian Li, Youngju Park +18
Twisted bilayer graphene (tBLG) provides a fascinating platform for engineering flat bands and inducing correlated phenomena. By designing the stacking architecture of graphene lay…
Evolution of flat band and role of lattice relaxations in twisted bilayer graphene
Qian Li, Hongyun Zhang, Yijie Wang +15
Magic-angle twisted bilayer graphene (MATBG) exhibits correlated phenomena such as superconductivity and Mott insulating state related to the weakly dispersing flat band near the F…
Floquet engineering of black phosphorus upon below-gap pumping
Shaohua Zhou, Changhua Bao, Benshu Fan +6
Time-periodic light field can dress the electronic states and lead to light-induced emergent properties in quantum materials. While below-gap pumping is regarded favorable for Floq…
Graphene/g-C2N bilayer:gap opening, enhanced visible light response and electrical field tuning band structure
Zhaoyong Guan, Jia Li, Wenhui Duan
Opening up a band gap of the graphene and finding a suitable substrate are two challenges for constituting the nano-electronic equipment. A new two-dimensional layered crystal g-C2…