Effect of disorders on topological phases in one-dimensional optical superlattices
Wang Zhizhou, Wu Yidong†, , Du Huijing‡, , Jing Xili
       

(a)–(d) Spectra of the Hamiltonian (1) with p = 1, q = 3, V = 1.5, and δ = 2π/3. Periodic boundary conditions are used with 3000 cites. Random strength Vr = 0, 0.5, 1, and 1.5 respectively. (e)–(h) The DOS of the corresponding energy spectra.