Abstract
Using a nonlocal susceptibility and Green’s-function approach, lifetime calculations for quantum confined excitons are carried out beyond the dipole approximation. The radiative lifetimes close to a metal surface are shown to strongly depend on the excitonic confinement length.
- Received 7 February 2003
DOI:https://doi.org/10.1103/PhysRevB.68.161307
©2003 American Physical Society