Phase diagram of a family of one-dimensional nearest-neighbor tight-binding models with an exact mobility edge
Gong Long-Yan1, 2, 3, †, Zhao Xiao-Xin2
       

(color online) Phase diagram for . In region I, there are MEs separating localized states from extended ones. In regions II and III, all states are extended and localized, respectively. At the bicritical point (red star), all states are critical.