Algebraic rotating-frame approach to electron-molecule scattering

Y. Alhassid, V. Liu, and B. Shao
Phys. Rev. A 48, 2832 – Published 1 October 1993
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Abstract

An approach to electron scattering from molecules is discussed, in which an algebraic description of the rovibrational states in the molecule (vibron model) is combined with a rotating-frame approximation. The latter was first introduced for atomic-molecule scattering under the name centrifugal sudden approximation. The coupled multichannel problem reduces to single-channel central potential scattering with a fluctuating potential. The method is applied to electron scattering from a rigid molecule with large dipole moment. Comparison with exact coupled-channel calculation shows that the approach works well for all partial waves except those with very low angular momentum. The method is also compared with the algebraic eikonal approach.

  • Received 17 March 1993

DOI:https://doi.org/10.1103/PhysRevA.48.2832

©1993 American Physical Society

Authors & Affiliations

Y. Alhassid, V. Liu, and B. Shao

  • Center for Theoretical Physics, Sloane Physics Laboratory, and A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06511

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Vol. 48, Iss. 4 — October 1993

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