Variational calculation of
the ground state energies of an exciton in InyAl1-yAs/AlxGa1-xAs
quan-tum pyramid is presented. To find the ground state energy
of the exciton we use the adiabatic ap-proximation which allows
us to decouple the fast particles motion in z-direction from
their slow motion in the radial direction. The novel curves
for the exciton ground state energy for different truncated
pyramid heights, the base and upper radii are presented. |