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Abstract: This is the second of a series of papers devoted to develop a microscopicalapproach to the dipole emission process and its relation to coherent transportin random media. In this Letter, we deduce a relation between the transversedecay rate of an emitter in a virtual cavity and the complex refraction indexof the host medium. We argue on the possibility of a criterion forinhibition-enhancement of spontaneous emission in function of the transitionfrequency and the correlation length of the host scatterers. In addition, westudy the radiative-non-radiative nature of the net power emission through amicroscopical analysis of the scattering events involved. This study revealsessential discrepancies with previous interpretations.



Autor: M. Donaire

Fuente: https://arxiv.org/







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