Numéro
J. Phys. IV France
Volume 03, Numéro C6, Novembre 1993
International Symposium on (e,2e) Collisions, Double Photoionization and Related Processes
(e,2e) '93
Page(s) C6-107 - C6-116
DOI http://dx.doi.org/10.1051/jp4:1993610
International Symposium on (e,2e) Collisions, Double Photoionization and Related Processes
(e,2e) '93

J. Phys. IV France 03 (1993) C6-107-C6-116

DOI: 10.1051/jp4:1993610

Modelling of three-body effects in a double continuum

R.J. TWEED, C. TANNOUS and P. MARCHALANT

Laboratoire de Collisions Electroniques et Atomiques, Equipe ERS003 du CNRS, Faculté des Sciences et Techniques, 6 avenue le Gorgeu, BP. 452, 29275 Brest cedex, France


Abstract
Theoretical calculations of double ionisation by electron or photon impact require a final state wavefunction which takes account both of the Coulomb repulsion between the pair of free electrons and of their interaction with the residual ionic core. It is desirable that this should be separable so as to facilitate the introduction of electron-pair correlations in the initial state wavefunction for the collision system. We propose a method for calculating coupled classical trajectories for the free electrons and deducing from these potentials from which their quantum mechanical wavefunctions may be obtained. Test calculations are reported for electron impact single ionisation of hydrogen.



© EDP Sciences 1993