Topological basis realization associated with Hermitian and non-Hermitian Heisenberg XXZ model Shiyao Gong, Gangcheng Wang, Yunfei Sang, Ruoqi Xiao, Chunfang Sun and Kang Xue EPL, 122 5 (2018) 50004 Published online: 18 July 2018 DOI: 10.1209/0295-5075/122/50004