Phys. Rev. A 65, 033817 (2002) [12 pages]Spontaneous emission in microcavity electrodynamicsReceived 20 September 2001; published 20 February 2002 We present a general, semimicroscopic, self-consistent treatment of spontaneous emission for a two-level atom in a dielectric microcavity with arbitrary shape. Both lossless and absorbing media are considered. Our approach is based on linear-response theory and the coupled-dipole method. We illustrate our method on spherical and cubic cavities. We discuss the Purcell effect, the frequency shift, the local-field effect, and the dipole-dipole coupling experienced by a source placed in a microcavity. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.033817
DOI:
10.1103/PhysRevA.65.033817
PACS:
42.50.Ct, 42.60.Da, 32.70.Jz, 78.55.-m
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