Abstract
The local-field correction experienced by an interstitial impurity in a crystal with cubic symmetry is derived by use of a rigorous, self-consistent, semimicroscopic description of spontaneous emission in a microcavity. We compute the local-field factor for various positions of the impurity inside the crystal. Furthermore, we demonstrate that the local-field factor can be computed from a simple electrostatic model as a rapidly converging lattice sum. We show that the agreement between the predictions of this simple model and the rigorous calculations is remarkable, opening the way to a simple, general theory of a local-field effect for an impurity in a crystal with arbitrary symmetry.
Original language | English |
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Pages (from-to) | 430-432 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 27 |
Issue number | 6 |
Publication status | Published - 2002 |
Externally published | Yes |