Change of the hydrogen excitation cross sections due to the wake potential of a fast charged particle
- 1 October 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 38 (7) , 3292-3298
- https://doi.org/10.1103/physreva.38.3292
Abstract
The wake potential of a fast charged particle is derived for an atomic system using first-order quantum-mechanical perturbation theory. The Coulomb excitation cross sections of the target atoms by this wake potential are then derived and found to be considerable. Numerical results on a model system of condensed atomic hydrogen show that the wake potential is very important and must be included in calculating the integrated Coulomb excitation cross sections in condensed matter.Keywords
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