Abstract
Quantum dots, realized by imposing lateral structure on a 2-dimensional electron system, have been described so far mainly by the concepts of the two-dimensional isotropic harmonic oscillator. Single particle excitation energies seem to dominate the spectrum. With the advent of improved technology experimental data indicate the necessity to refine this model. We consider deviations in the kinetic energy part (band structure effects) to demonstrate modifications in the energy level spectrum and in the dipole excitation spectrum. As a particular case we present theoretical results for a system, which has not yet been investigated experimentally: quantum dots with holes.
work supported in part by Deutsche Forschungsgemeinschaft (SFB 348)
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Rössler, U., Broido, D.A., Bolton, F. (1992). Electronic Energy Levels in Nanostructures. In: Bauer, G., Kuchar, F., Heinrich, H. (eds) Low-Dimensional Electronic Systems. Springer Series in Solid-State Sciences, vol 111. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84857-5_2
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DOI: https://doi.org/10.1007/978-3-642-84857-5_2
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