Topological Anderson insulator in two-dimensional non-Hermitian systems

Liu Hongfang¹, Su Zixian¹, Zhang Zhi-Qiang^{1, †}, Jiang Hua^{1, 2, ‡}

(a), (c) The evolution of the Chern number with disorder strength W and m. (b), (d) denote the red dash line in (a), (c). (a), (b) is calculated by H_eff under the condition of periodic boundary. (c), (d) is calculated by H under the condition of open boundary. Parameters are set as N = 30 and γ = 0.4. The other parameters are the same as those in Fig. 2.