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Paper
Deep bound-hole states in semiconductors
Abstract
We treat in the spherical-band approximation the problem of a hole in the valence band of a cubic semiconductor bound to a short-range potential. We derive the set of band states in k space which simultaneously diagonalize the energy and angular momentum operators and which provide a convenient basis for the solution of any bound-hole problem having spherical or approximately spherical symmetry. The bound-state wave functions are obtained in this basis (as well as in r space) and are used to obtain the reduction of the shear deformation potential and of the isotropic g factor for the bound relative to the band-edge states. These reduction factors lie between 1.0 and 0.2 and are found to be independent of the depth of the state and to be functions of only the light-hole-heavy-hole mass ratio of the valence bands. © 1975 The American Physical Society.