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Spectroscopy of few-electron quantum dots

Heitmann, Detlef ; Gudmundsson, V. ; Rolf, L. ; Schüller, Christian ; Steinebach, C. ; Ulrichs, E.


Advances in submicron technology make it possible to realize man-made low-dimensional electronic systems with quantum confined energy states. Superimposing lateral potential onto two-dimensional electron systems for example in AlGaAs-GaAs systems allows one to prepare quantum wires and dots. We will discuss modulation-doped systems. Then, with typical confinement energies in the meV regime, ...


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