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Large shift current, Zak phase and unconventional nature in Se and Te
Ruihan Zhang, Junze Deng, Yan Sun +3
Recently, unconventional materials (or obstructed atomic insulators) have attracted much attention owing to the unconventional feature of mismatch between Wannier centers and atomi…
A robust and tunable Luttinger liquid in correlated edge of transition-metal second-order topological insulator TaPdTe
Anqi Wang, Yupeng Li, Guang Yang +20
The interplay between topology and interaction always plays an important role in condensed matter physics and induces many exotic quantum phases, while rare transition metal layere…
Large spin Hall conductivity and excellent hydrogen evolution reaction activity in unconventional PtTe1.75 monolayer
Dexi Shao, Junze Deng, Haohao Sheng +6
Two-dimensional (2D) materials have gained lots of attention due to the potential applications. In this work, we propose that based on first-principles calculations, the (2…
Interaction Driven Topological Phase Transition in Monolayer CrCl(pyrazine)
Xuecong Ji, Jiacheng Gao, Changming Yue +4
The quadratic band crossing points (QBCPs) at Fermi level in two-dimension have been proposed to be unstable under electron-electron interaction. The possible interaction driven st…
Spin-Resolved Topology and Partial Axion Angles in Three-Dimensional Insulators
Kuan-Sen Lin, Giandomenico Palumbo, Zhaopeng Guo +8
Symmetry-protected topological crystalline insulators (TCIs) have primarily been characterized by their gapless boundary states. However, in time-reversal- (-) invaria…
Quadrupole topological insulators in Ta2M3Te5 (M= Ni, Pd) monolayers
Zhaopeng Guo, Junze Deng, Yue Xie +1
Higher-order topological insulators have been introduced in the precursory Benalcazar-Bernevig-Hughes quadrupole model, but no electronic compound has been proposed to be a quadrup…
Magnetic band representations, Fu-Kane-like symmetry indicators and magnetic topological materials
Jiacheng Gao, Zhaopeng Guo, Hongming Weng +1
To realize novel topological phases and to pursue potential applications in low-energy consumption spintronics, the study of magnetic topological materials is of great interest. St…