Spin-dependent Floquet scattering theory is developed to investigate the photon-assisted spin-polarized electron transport through a semiconductor heterostructure in the presence of an external electric field. Spin-dependent Fano resonances and spin-polarized electron transport through a laser...

A variational formalism for the calculation of the binding energies of hydrogenic donors in a parabolic diluted magnetic semiconductor quantum dot is discussed. Results are obtained for Cd<InlineEquation ID="Equ1"> <EquationSource Format="TEX">$_{1-x_{in}}$</EquationSource> </InlineEquation>Mn<InlineEquation ID="Equ2"> <EquationSource Format="TEX">$_{x_{in}}$</EquationSource> </InlineEquation>Te/Cd<InlineEquation ID="Equ3"> <EquationSource Format="TEX">$_{1-x_{out}}$</EquationSource> </InlineEquation>Mn<InlineEquation ID="Equ4"> <EquationSource Format="TEX">$_{x_{out}}$</EquationSource> </InlineEquation>Te structures as a function of the dot...</equationsource></inlineequation></equationsource></inlineequation></equationsource></inlineequation></equationsource></inlineequation>