Two-level system interacting with a finite-bandwidth thermal cavity mode.

@article{Cirac1991TwolevelSI,
  title={Two-level system interacting with a finite-bandwidth thermal cavity mode.},
  author={Cirac and Ritsch and Zoller},
  journal={Physical review. A, Atomic, molecular, and optical physics},
  year={1991},
  volume={44 7},
  pages={
          4541-4551
        }
}
The interaction of a two-level system with a single quantized mode of the radiation field of finite bandwidth in a thermal state and coupled to background vacuum modes is considered theoretically. A hierarchy of equations for atom-field moments is derived and solved in terms of continued fractions. The population inversion, the spectrum of resonance fluorescence, and the photon statistics of the cavity mode are calculated.