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- Wuhan UniversityCN23 papers
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4 papers · 2 filters
A simple scheme to realize the Rice-Mele model in acoustic system
Tianzhi Xia, Xiying Fan, Qi Chen +2
The Rice-Mele (RM) model, as a paradigmatic extension of the Su-Schrieffer-Heeger (SSH) chain, plays a pivotal role in understanding topological phases and quantized adiabatic tran…
Numerical calculation of the -space second Chern number in four dimensions
Xiang Liu, Xiao-Xia Yi, Zheng-Rong Liu +2
We propose an efficient numerical method to compute the -space second Chern number in four-dimensional (4D) topological systems. Our approach employs an adaptive mesh refinement…
Tunable cornerlike states in topological type-II hyperbolic lattices
Zheng-Rong Liu, Tan Peng, Xiang Liu +4
Type-II hyperbolic lattices constitute a new class of hyperbolic structures that are projected onto the Poincaré ring and possess both an inner and an outer boundary. In this work,…
Layer Hall effect induced by altermagnetism
Fang Qin, Rui Chen
In this work, we propose a scheme to realize the layer Hall effect in the ferromagnetic topological insulator BiSe via proximity to -wave altermagnets. We show that an a…