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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…
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…
Weak Electron-Phonon Coupling and Unusual Electron Scattering of Topological Surface States in Sb(111) by Laser-Based Angle-Resolved Photoemission Spectroscopy
Zhuojin Xie, Shaolong He, Chaoyu Chen +22
High resolution laser-based angle-resolved photoemission measurements have been carried out on Sb(111) single crystal. Two kinds of Fermi surface sheets are observed that are deriv…
Tunable Dirac Fermion Dynamics in Topological Insulators
Chaoyu Chen, Zhuojin Xie, Ya Feng +21
Three-dimensional topological insulators are characterized by insulating bulk state and metallic surface state involving Dirac fermions that behave as massless relativistic particl…