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Non perturbative approach for a polar and polarizable linear molecule in an inhomogeneous electric field: Application to molecular beam deviation experiments

  • E. Benichou
  • A.R. Allouche
  • R. Antoine
  • M. Aubert-Frecon
  • M. Bourgoin
  • M. Broyer
  • Ph. Dugourd
  • G. Hadinger
  • D. Rayane

Abstract:

A non perturbative approach is used to solve the problem of a rigid linear molecule with both a permanent dipole moment and a static dipole polarizability, in a static electric field. Eigenenergies are obtained and compared to perturbative low field and high field approximations. Analytical expressions for the orientation parameters and for the gradient of the energy are given. This non perturbative approach is applied to the simulation of beam deviation experiments in strong electric field. Results of simulations are given for inhomogeneous alkali dimers. For LiNa, the simulations are compared to experimental data. For LiK, deviation profiles have been simulated in order to prepare future experiments on this molecule.

PACS. 33.15.Kr Electric and magnetic moments (and derivatives), polarizability, and magnetic susceptibility - 33.55.Be Zeeman and Stark effects 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2000

Authors and Affiliations

  • E. Benichou
    • 1
  • A.R. Allouche
    • 1
  • R. Antoine
    • 1
  • M. Aubert-Frecon
    • 1
  • M. Bourgoin
    • 1
  • M. Broyer
    • 1
  • Ph. Dugourd
    • 1
  • G. Hadinger
    • 1
  • D. Rayane
    • 1
  1. 1.Laboratoire de Spectrométrie Ionique et Moléculaire (UMR 5579 du CNRS), CNRS et Université Lyon I, bâtiment 205, 43 boulevard du 11 novembre 1918, 69622 Villeurbanne Cedex, FranceFR

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