Rotating-wave approximation for the interaction of a pulsed laser with a two-level system possessing permanent dipole moments
- 30 November 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 63 (1), 013403
- https://doi.org/10.1103/physreva.63.013403
Abstract
A rotating-wave approximation (RWA) is developed to describe the evolution of a two-level system, which has permanent dipole moments, interacting with a pulsed laser. Comparisons with exact calculations for one- and two-photon excitations involving the two lowest vibrational states of the ground electronic state of are given to illustrate the validity of the RWA formula.
Keywords
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