A Model for Addition Spectra in Quantum Dots

Details A Model for Addition Spectra in Quantum Dots A Model for Addition Spectra in Quantum Dots

2000-08-24

arxiv.org/abs/cond-mat/0008366v2

Physics

Condensed Matter

revised extended version, to appear in Philos. Mag.B82 (M. Pollak Festschrift)

Scientific paper

10.1080/13642810110056453

A simple model for addition spectra in quantum dots is proposed and studied. It is an extension of the standard charging model which assumes that the charge spreads uniformely over the entire dot. The proposed model attempts to account for a nonuniform distribution of the charge, by introducing an extra parameter U. When U increases, the distribution of the conductance peak spacings changes from the Wigner-Dyson shape towards a broader, more symmetric distribution.

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