Nonlinear calculations for the width of particle states
- 1 November 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 38 (13) , 9191-9193
- https://doi.org/10.1103/physrevb.38.9191
Abstract
The energy width of the states of slow ions interacting with an electron gas has been calculated using the density-functional formalism to calculate an effective one-electron potential. Our results show the same behavior as the stopping power and straggling parameter when comparisons with dielectric theory are made. The agreement between the dielectric and nonlinear density-functional results is improved when a local-field correction is taken into account in the dielectric formalism.Keywords
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