2008•Journal of Atomic and Molecular PhysicsRequires access
The effects of exchange potential on atomic photoionization cross section
Xiao Liu
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Abstract
Based on relativistic average self-consistent field,the difference of photoionization cross section within different exchange potential have been studied systemically,Finally the theoretical explains of these difference in photoionization cross section are given.Our calculated results indicate that photoionization cross section is increased with exchange coefficient,the influence of exchange potential on cross section is stronger oppositely when the average nuclear potential is feeble.