Calculation of free-free Gaunt factors in hot dense plasmas
- 1 June 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 27 (6) , 3209-3215
- https://doi.org/10.1103/physreva.27.3209
Abstract
We have obtained predictions for free-free Gaunt factors, using a full relativistic numerical partial-wave and multipole calculation of the bremsstrahlung process as a single electron transition in a potential. We study hot dense cesium plasmas, at various densities and temperatures, using the finite-temperature and -density Thomas-Fermi potential. We consider incident electron energies in the range 1-50 keV. Our results show that use of isolated neutral or ion Gaunt factors has only limited applicability in this environment, while use of the Elwert-Born approximation can lead to a factor-of-3 discrepancy for low incident electron energies.Keywords
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