Bound states of dipole-two charge complex
Abstract
A new bound complex composed of a charge-transfer exciton and an exciton formed by a spatially separated electron and hole in double quantum wells is proposed theoretically. The binding energy and the first transition energy of this complex are calculated as functions of the coupling constant in the strong coupling limit. It is shown that the absolute value of the binding energy and the first transition energy increase with increasing coupling constant. We also calculate the binding energy as a function of the mass ratio σ = {m e}/{m h}.
- Publication:
-
Physics Letters A
- Pub Date:
- February 1999
- DOI:
- 10.1016/S0375-9601(98)00931-1
- Bibcode:
- 1999PhLA..252...63Z