Ch. Keitel et al., THE DRESSED STATE PICTURE IN QUANTUM COHERENCE AND INTERFERENCE, Zeitschrift fur Naturforschung. A, A journal of physical sciences, 52(1-2), 1997, pp. 114-116
We investigate the advantageous description of driven multi-level syst
ems in the dressed state representation. A demonstration is given for
the cases of subnatural line narrowing and lasing without inversion.