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Probing the Shape of Quantum Dots with Magnetic Fields

P. S. Drouvelis·P. Schmelcher·F. K. Diakonos
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Abstract

A tool for the identification of the shape of quantum dots is developed. By preparing a two-electron quantum dot, the response of the low-lying excited states to a homogeneous magnetic field, i.e. their spin and parity oscillations, is studied for a large variety of dot shapes. For any geometric configuration of the confinement we encounter characteristic spin singlet - triplet crossovers. The magnetization is shown to be a complementary tool for probing the shape of the dot.

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P. S. Drouvelis, P. Schmelcher, F. K. Diakonos. 2004-02-13. Probing the Shape of Quantum Dots with Magnetic Fields. https://doi.org/10.1103/physrevb.69.155312

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