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A consistent semiquantitative theoretical analysis of electronic Ramanscattering from many-electron quantum dots under resonance excitationconditions has been performed. The theory is based onrandom-phase-approximation-like wave functions, with the Coulomb interactionstreated exactly, and hole valence-band mixing accounted for within theKohn-Luttinger Hamiltonian framework. The widths of intermediate and finalstates in the scattering process, although treated phenomenologically, play asignificant role in the calculations, particularly for well above band gapexcitation. The calculated polarized and unpolarized Raman spectra reveal agreat complexity of features and details when the incident light energy isswept from below, through, and above the quantum dot band gap. Incoming andoutgoing resonances dramatically modify the Raman intensities of the singleparticle, charge density, and spin density excitations. The theoretical resultsare presented in detail and discussed with regard to experimental observations.Comment: Submitted to Phys. Rev.

Semiquantitative theory of electronic Raman scattering from medium-size quantum dots