3 papers
cond-mat.mes-hall2021
Robust zero-energy states in two-dimensional Su-Schrieffer-Heeger topological insulators
Zhang-Zhao Yang, An-Yang Guan, Wen-Jie Yang +2
The Su-Schrieffer-Heeger (SSH) model on a two-dimensional square lattice has been considered as a significant platform for studying topological multipole insulators. However, due t…
physics.app-ph2021
A General Method to Design Acoustic Higher-Order Topological Insulators
An-Yang Guan, Zhang-Zhao Yang, Xin-Ye Zou +1
Acoustic systems that are without limitations imposed by the Fermi level have been demonstrated as significant platform for the exploration of fruitful topological phases. By surro…
cond-mat.mtrl-sci2021
Topological Classical Systems with Generalized Chiral Symmetry
Zhang-Zhao Yang, An-Yang Guan, Xin-Ye Zou +1
The bulk band topology of symmetry invariant adiabatic systems in the thermodynamic limit are considered to be determined by the hopping energy. In this work, we present that in cl…