Abstract
The resonant response of a multilevel atomic system to strong coherent radiation is analyzed using an extension of the methods of time-independent scattering theory, adapted to the density-matrix formalism in order to include thermal bath effects. General steady-state expressions are derived for self-attenuation and resonance scattering rates in strong saturating fields, as functions of the coupling strengths, relaxation parameters, and frequency detunings. Formal expressions are given for radiative-damping and collision-broadening relaxation parameters, relating the latter to scattering amplitudes. Modifications of collision-broadening parameters by the presence of very strong fields are discussed. The Bloch equations are derived by transformation to the time domain, under specified conditions.
| Original language | English |
|---|---|
| Pages (from-to) | 2056-2073 |
| Number of pages | 18 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 19 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1979 |
| Externally published | Yes |
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