Figure 9.

Ground and first excited states. Ground and first excited state energies of the electron (colored lines) as functions of the height of the QR L. The calculations are for R1 = 10 nm, R2 = 20 nm, F = 0, and P = 0. The impurity is placed at zi = 0 and ρi = (R1 + R2)/2. The inset shows the corresponding energy difference between the 2s and 1s states.

Barseghyan et al. Nanoscale Research Letters 2012 7:538   doi:10.1186/1556-276X-7-538
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