Stable topological edge states in a non-Hermitian four-band model
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.012111
Abstract: We introduce a one-dimensional non-Hermitian four-band tight-binding lattice system. We find stable topological edge states protected by particle-hole and parity-time symmetries. We show that a topological phase appears in the system. We discuss that the… read more here.
Keywords: stable topological; hermitian four; topological edge; edge states ... See more keywords