Exciton-donor complexes in a semiconductor quantum dot in a magnetic field

The binding energy of the ground state of a charged exciton-donor complex in a spherical semiconductor quantum dot in the presence of a homogeneous magnetic field has been calculated. The theoretical analysis is carried out using a variational approach in the framework of the adiabatic approximation. The behavior of the binding energy of the complex in a QD on magnetic field is investigated for different values of the QD radius. (© 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)