Spontaneous decay in the presence of dispersing and absorbing bodies: General theory and application to a spherical cavity

@article{Dung2000SpontaneousDI,
  title={Spontaneous decay in the presence of dispersing and absorbing bodies: General theory and application to a spherical cavity},
  author={Ho Trung Dung and Ludwig Knoll and Dirk-Gunnar Welsch},
  journal={Physical Review A},
  year={2000},
  volume={62},
  pages={053804}
}
A formalism for studying spontaneous decay of an excited two-level atom in the presence of dispersing and absorbing dielectric bodies is developed. An integral equation, which is suitable for numerical solution, is derived for the atomic upper-state-probability amplitude. The emission pattern and the power spectrum of the emitted light are expressed in terms of the Green tensor of the dielectric-matter formation, including absorption and dispersion. The theory is applied to the spontaneous… Expand
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