Energy of the quasi-free electron in low density Ar and Kr: Extension of the local Wigner Seitz model
Abstract
We present new measurements of the perturber-induced shift of the CHI ionization energy at low perturber number densities and analyze these data within the local Wigner-Seitz model previously used at high density. We compare the local Wigner-Seitz model with the scattering approach developed by Fermi, and modified by Alekseev and Sobel'man, and show that the local Wigner-Seitz model extends smoothly into the low density region and accurately predicts the temperature dependence of the shift in ionization energy.
- Publication:
-
Chemical Physics Letters
- Pub Date:
- March 2008
- DOI:
- 10.1016/j.cplett.2008.01.060
- Bibcode:
- 2008CPL...454...12S