Abstract
A theoretical investigation, based on an exact numerical diagonalization, is presented for negatively charged excitonic trions in vertically coupled parabolic quantum dots in the presence of an external magnetic field. The hole and electrons reside in separate dots. We investigate the properties of the system as a function of the interdot separation and an externally applied magnetic field, and observe a number of ground-state angular momentum transitions. At the angular momentum transitions the charge distribution in the dots undergoes a sudden redistribution, leading to jumps in the average electron and hole radii. The interparticle correlations and magnetophotoluminescence oscillator strengths are also discussed.
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