FAR-INFRARED RESPONSE OF HOLES IN QUANTUM DOTS - BAND-STRUCTURE EFFECTS AND THE GENERALIZED KOHNS THEOREM

We investigate theoretically the magnetic-field-dependent far-infrared response of holes confined in a quantum dot. In contrast to quantum d ots with electrons, the mixing of heavy- and light-hole states prohibi ts a separation of the center-of-mass motion from the relative motion. This violation of the condition required to satisfy the generalized K ohn's theorem leads to a calculated absorption spectrum that is consid erably more complex than the corresponding spectrum for quantum dots c ontaining electrons.