Figure 4

Local charge DOS for the gate-voltage-driven TI surface, with (a) U0 = 10, UM = 0, and (b) UM,z = 10, U0 = 0. Here, A0 = 0.3, Ω = 1.0 and the other parameters are the same as Fig. 1.

Local charge DOS for the gate-voltage-driven TI surface, with (a) U0 = 10, UM = 0, and (b) UM,z = 10, U0 = 0. Here, A0 = 0.3, Ω = 1.0 and the other parameters are the same as Fig. 1.