Figure 1From: A Model System for Dimensional Competition in Nanostructures: A Quantum Wire on a SurfaceThe upper dotted line is the three-dimensional Green's function (4πr) −1 in units of ℓ−1, the continuous line is the Green's function (4), and the lower dotted line is the two-dimensional logarithmic Green’s function. x = r/ℓBack to article page