Single-electron charging of self-assembled InAs quantum dots

Details Single-electron charging of self-assembled InAs quantum dots Single-electron charging of self-assembled InAs quantum dots

1996-09-27

arxiv.org/abs/cond-mat/9609268v1

Physics

Condensed Matter

submitted to ICPS-23 (Berlin 1996)

Scientific paper

The many-particle ground state and excitations of self-assembled InAs quantum dots are investigated using far-infrared (FIR) and capacitance spectroscopy. The contributions of quantization and charging energies to the $n$--electron energy spectrum are determined. For $n = 1$, 2, we find good agreement with a parabolic model; for higher filling, the Coulomb interaction reveals itself not only in the capacitance, but also in the FIR excitations

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