196 citations · 453 across the 19 of their papers we have counts for
19 papers
Anisotropic Surface State Band Splitting and Low Energy Flat Bands in 3d Correlated Topological Kondo Insulator Candidate FeSb
Ziling Cao, Jie Pang, Yu Xu +22
FeSb is a correlated narrow-gap semiconductor that has often been discussed as a -electron Kondo insulator candidate and exhibits a low-temperature resistance plateau with…
Suppression of p-Wave Altermagnetism by Localized 4f Electrons in CeNiAsO
Jiuxiang Zhang, Yueyang Sun, Honglin Zhou +32
Altermagnetism, characterized by momentum-dependent spin splitting and zero net magnetization, has so far been explored mainly in weakly or moderately correlated d-electron systems…
Coexistence of High Temperature Superconductivity and Antiferromagnetic Order in a Cuprate with Multiple Hole Fermi Pockets
Xiangyu Luo, Yinghao Li, Hao Chen +23
The intricate relationship between high temperature superconductivity and antiferromagnetic order in cuprates, and the fundamental origin of electron pairing remain open questions.…
Persistent Fermi Pockets and Robust Electron Pairing in Lightly Doped CuO Planes of Cuprate Superconductors
Hao Chen, Jumin Shi, Yinghao Li +23
High temperature superconductivity in cuprate superconductors is generally considered to be generated from doping the Mott insulators. The fundamental nature of the doped parent co…
Mott-Derived Local Moments and Kondo Hybridization in a d-electron Kagome lattice
Xing Zhang, Xintong Li, Boqin Song +25
Unlike canonical Kondo lattices in f-electron systems, where localized f orbitalsnaturally provide local moments, d-electron Kondo lattices require a distinct mechanism for local-m…
Electronic Structure and Superconducting Gap of HgBaCaCuO Revealed by Laser-Based Angle-Resolved Photoemission Spectroscopy
Taimin Miao, Wenshan Hong, Qinghong Wang +18
The spatially-resolved laser-based high resolution angle resolved photoemission spectroscopy (ARPES) measurements have been performed on the optimally-doped HgBaCaCuO$_…
Electronic Origin of Density Wave Orders in a Trilayer Nickelate
Jiangang Yang, Jun Zhan, Taimin Miao +24
The discovery of superconductivity in Ruddlesden-Popper nickelates has established a new frontier in the study of high-temperature superconductors. However, the underlying pairing…
Unusual Dual Flat Bands and two-dimensional Dirac-node Arc State in Kagome Metal Ni3In2S2
Bo Liang, Yichen Liu, Jie Pang +36
Kagome materials are at the frontier of condensed matter physics. An ideal kagome lattice features only one geometrically frustrated flat band spanning the entire momentum space an…
Expansion of Momentum Space and Full 2 Solid Angle Photoelectron Collection in Laser-Based Angle-Resolved Photoemission Spectroscopy by Applying Sample Bias
Taimin Miao, Yu Xu, Bo Liang +18
Angle-resolved photoemission spectroscopy (ARPES) directly probes the energy and momentum of electrons in quantum materials, but conventional setups capture only a small fraction o…
Doping Evolution of Nodal Electron Dynamics in Trilayer Cuprate Superconductor BiSrCaCuO Revealed by Laser-Based Angle-Resolved Photoemission Spectroscopy
Hao Chen, Jumin Shi, Xiangyu Luo +22
The doping evolution of the nodal electron dynamics in the trilayer cuprate superconductor BiSrCaCuO (Bi2223) is investigated using high-resolution laser-b…
Absence of BCS-BEC Crossover in FeSe0.45Te0 55 Superconductor
Junjie Jia, Yadong Gu, Chaohui Yin +21
In iron-based superconductor Fe(Se,Te), a flat band-like feature near the Fermi level was observed around the Brillouin zone center in the superconducting state. It is under debate…
van Hove Singularity-Driven Emergence of Multiple Flat Bands in Kagome Superconductors
Hailan Luo, Lin Zhao, Zhen Zhao +27
The newly discovered Kagome superconductors AVSb (A=K, Rb and Cs) continue to bring surprises in generating unusual phenomena and physical properties, including anomalous H…
Orbital-Dependent Electron Correlation in Double-Layer Nickelate La3Ni2O7
Jiangang Yang, Hualei Sun, Xunwu Hu +23
The latest discovery of high temperature superconductivity near 80K in La3Ni2O7 under high pressure has attracted much attention. Many proposals are put forth to understand the ori…
ARPES Detection of Superconducting Gap Sign in Unconventional Superconductors
Qiang Gao, Jin Mo Bok, Ping Ai +20
Superconductivity is realized by opening a gap in the superconducting state. The gap symmetry is crucial in understanding the underlying superconductivity mechanism. The magnitude…
Observation of Flat Band, Dirac Nodal Lines and Topological Surface States in Kagome Superconductor CsTiBi
Jiangang Yang, Yuyang Xie, Zhen Zhao +23
A kagome lattice of 3d transition metals hosts flat bands, Dirac fermions and saddle points. It provides a versatile platform for achieving topological superconductivity, anomalous…
Electronic Origin of High-Tc Maximization and Persistence in Trilayer Cuprate Superconductors
Xiangyu Luo, Hao Chen, Yinghao Li +18
In high temperature cuprate superconductors, it was found that the superconducting transition temperature Tc depends on the number of CuO2 planes (n) in the structural unit and the…
Giant and Reversible Electronic Structure Evolution in a Magnetic Topological Material EuCd2As2
Yang Wang, Cong Li, Taimin Miao +25
The electronic structure and the physical properties of quantum materials can be significantly altered by charge carrier doping and magnetic state transition. Here we report a disc…
Conservation of the particle-hole symmetry in the pseudogap state in optimally-doped Bi2Sr2CuO6+δ superconductor
Hongtao Yan, Qiang Gao, Chunyao Song +10
The pseudogap state is one of the most enigmatic characteristics in the anomalous normal state properties of the high temperature cuprate superconductors. A central issue is to rev…
Identification of a New Form of Electron Coupling in Bi2Sr2CaCu2O8 Superconductor by Laser-Based Angle-Resolved Photoemission
Wentao Zhang, Guodong Liu, Lin Zhao +17
Laser-based angle-resolved photoemission measurements with super-high resolution have been carried out on an optimally-doped BiSrCaCuO high temperature superconduct…