Abstract
Effects of electron-phonon interaction on the ground state of a donor in ZnSe ZnCdSe quantum wells under external electric fields are studied theoretically for the impurity atom doped at various positions. Both the interface and confined phonon modes that exist in such structures are included to interact with the electron. The ground state energy is calculated by means of the Lee, Low and Pines transformation. The polaronic effects are generally much more significant than those in III–V compounds we have found in the past due to stronger electron-phonon interactions. Contributions from different phonon modes are computed separately and results obtained for various cases are presented and discussed.
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