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 |
|---|---|
| Pages (from-to) | 430-432 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 27 |
| Issue number | 6 |
| Publication status | Published - 2002 |
| Externally published | Yes |
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Rahmani, A., Chaumet, P. C., & Bryant, G. W. (2002). Local-field correction for an interstitial impurity in a cryst. Optics Letters, 27(6), 430-432.