Topology of anti-parity-time-symmetric non-Hermitian Su-Schrieffer-Heeger model

H. C. Wu, L. Jin, Z. Song

We propose an anti-parity-time (anti-PT ) symmetric non-Hermitian Su-Schrieffer-Heeger (SSH) model, where the large non-Hermiticity constructively creates nontrivial topology and g…