Figure 4From: Tunable insulator-quantum Hall transition in a weakly interacting two-dimensional electron systemln ( Δρ xx ( B , T )/ D ( B , T )) as a function of 1/B . For (a) Vg = −0.125 V, (b) Vg = −0.145 V, and (c) Vg = −0.165 V. The dotted lines are the fits to Equation 1.Back to article page