A rotating wave approximation for the interaction of a pulsed laser with a two-level system possessing permanent dipole moments
A. Brown and W.J. Meath
Department of Chemistry, University of Western Ontario, London, Ontario, Canada N6A 5B7
Phuc Tran
Research Department, Code 4T4400D, Naval Air Warfare Center Weapons Division, China Lake, CA, 93555
Abstract
A rotating wave approximation 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 HeH+ are given to illustrate the validity of the RWA formula.
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Last updated August 8, 2003.