Fig. 5: The wavefunctions |ψ0〉, |ψ1〉, |ψ2〉 and |ψ3〉 for Si:P (i.e., a binding energy of ℏωg = −45.5 meV) in the x3 = 0 plane.
From: Giant non-linear susceptibility of hydrogenic donors in silicon and germanium
The frequency used for this calculation is the average of the 2p0 and 2p± resonances, and the color scale is normalized separately for each panel. The white bars on the top right indicate a length scale of 5 nm
