Topological properties in the non-Hermitian tetramerized Su-Schrieffer-Heeger lattices

Jia-Rui Li, Lian-Lian Zhang, Wei-Bin Cui +1

In this paper, we study the topological properties of the non-Hermitian Su-Schrieffer-Heeger (SSH) lattice by periodically introducing onsite imaginary potentials in the manner of…