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Free-Free Transitions of Electron-Atom Systems in Intense Radiation Fields

  • M. Gavrila
Part of the NATO ASI Series book series (NSSB, volume 196)

Abstract

We present a survey of free-free transitions (FFT) in electron-atom collisions occurring in a radiation field. Our emphasis is on theoretical aspects, although we also discuss the existing experimental evidence. The presentation is self-contained and rather detailed (we actually derive most of the basic formulas). The semiclassical treatment is adopted for the interaction of the particles with the radiation field. We envisage intensities ranging from the relatively weak ones of optical sources and CW lasers, to those of the superintense lasers now in operation, yielding values in excess of one atomic unit (3.5 · 1016 W/cm2). Therefore, we consider both the standard perturbation theory, applicable to the former case, and the nonperturbative methods of solution developed for the latter case, which are now in the center of attention. We handle all these by a unified method, based on Floquet theory. This applies to the case of a monochromatic field, the only one we shall discuss in detail.

Keywords

Elastic Scattering SchrOdinger Equation Multiphoton Ionization Standard Perturbation Theory Wave Vector Transfer 
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

© Plenum Press, New York 1989

Authors and Affiliations

  • M. Gavrila
    • 1
  1. 1.FOM-Institute for Atomic and Molecular PhysicsAmsterdamThe Netherlands

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