We show that the addition spectra of semiconductor quantum dots in the presence of magnetic field can be studied through a theoretical scheme that allows an accurate and practical treatment of the single-particle states and electron-electron interaction up to large numbers of electrons. The calculated addition spectra exhibit the typical structures of Hund-like shell filling, and account for recent experimental findings. A full three-dimensional description of Coulomb interaction is found to be essential for predicting the conductance characteristics of few-electron semiconductor structures.
Addition energies in semiconductor quantum dots: Role of electron-electron interaction / M., Rontani; F., Rossi; Manghi, Franca; Molinari, Elisa. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 72:(1998), pp. 957-959.
Addition energies in semiconductor quantum dots: Role of electron-electron interaction
MANGHI, Franca;MOLINARI, Elisa
1998
Abstract
We show that the addition spectra of semiconductor quantum dots in the presence of magnetic field can be studied through a theoretical scheme that allows an accurate and practical treatment of the single-particle states and electron-electron interaction up to large numbers of electrons. The calculated addition spectra exhibit the typical structures of Hund-like shell filling, and account for recent experimental findings. A full three-dimensional description of Coulomb interaction is found to be essential for predicting the conductance characteristics of few-electron semiconductor structures.
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