K. G. Dvoyan, S. G. Matinyan, B. Vlahovic
Published 2015-05-11Version 1
Confined states of a positronium (Ps) in the spherical and circular quantum dots (QDs) are theoretically investigated in two size-quantization regimes: strong and weak. Two-band approximation of Kane dispersion law and parabolic dispersion law of charge carriers are considered. It is shown that the electronpositron pair instability is a consequence of dimensionality reduction, not of the size quantization (SQ). The binding energies for the Ps in circular and spherical QDs are calculated. The Ps formation dependence on the QD radius is studied.
Confined states and topological phases in two-dimensional quasicrystalline $π$-flux model
Ab initio computation of circular quantum dots
Incipient Wigner Localization in Circular Quantum Dots
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