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Nonperturbative Treatment of Molecule-Radiation Interactions — A Coupled Equations Approach

  • André D. Bandrauk
Part of the NATO ASI Series book series (NSSB, volume 212)

Abstract

Traditional molecular spectroscopy is interpreted usually in terms of perturbative treatments of matter-radiation interactions. In such approximations, radiative transitions are visualized as transitions between unperturbed eigenstates, i.e., free molecular states. With present laser intensities (I > 1010 W/cm2), one can question the validity of such approximations. In atomic spectroscopy, multiphoton transitions and nonlinear effects have been considered in the dressed atom picture [1–2]. The basic idea of this model is that the total energy of the system, field plus atom, must be conserved. The eigenstates of the time independent Schroedinger equation for the total system are therefore the proper states, the dressed states, to be used to describe the time evolution of the total system. The simple two level dressed atomic model leads to the prediction of optical Stark effects which has been observed experimentally [3–5].

Keywords

Schroedinger Equation Radiative Coupling Internuclear Axis Electronic Angular Momentum Optical Stark Effect 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • André D. Bandrauk
    • 1
  1. 1.Département de chimie Faculté des sciencesUniversité de SherbrookeSherbrookeCanada

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