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Optical properties of a spherical 2D electron gas in the presence of a uniform magnetic field
Using the RPA, we calculate the plasmon frequencies of an electron gas on a two-dimensional spherical surface in the presence of a weak magnetic field. We show that the magnetic field results in a coupling between electronic ...
Kondo effect in quantum dots: A non-crossing approximation study
In this thesis, non-equilibrium Green's function techniques in combination with the time-dependent non-crossing aprroximation are utilized to calculate the transient currents through a quantum dot in the Kondo regime subject ...