3 papers
physics.class-ph2024
Construction and Observation of Flexibly Controllable High-Dimensional Non-Hermitian Skin Effects
Qicheng Zhang, Yufei Leng, Liwei Xiong +4
Non-Hermitian skin effect (NHSE) is one of the most fundamental phenomena in non-Hermitian physics. Although it is established that one-dimensional NHSE originates from the nontriv…
cond-mat.mtrl-sci2023
Discovery of Higher-Order Nodal Surface Semimetals
Huahui Qiu, Yuzeng Li, Qicheng Zhang +1
The emergent higher-order topological insulators significantly deepen our understanding of topological physics. Recently, the study has been extended to topological semimetals feat…
cond-mat.mes-hall2023
Observation of Hybrid-Order Topological Pump in a Kekule-Textured Graphene Lattice
Tianzhi Xia, Yuzeng Li, Qicheng Zhang +3
Thouless charge pumping protocol provides an effective route for realizing topological particle transport. To date, the first-order and higher-order topological pumps, exhibiting t…