Abstract

The electronic structure of a dense plasma is considered within the context of a single electron interacting with an effective, time-independent potential. This potential consists of many screened ions which represent strong scattering sites. The strong, short range nature of the screened potentials significantly alters the plasma's electronic structure by introducing shape resonance effects. Additionally, the correlations between scattering sites can give rise to modifications analogous to band structure in crystalline matter. To lowest order these effects manifest themselves as a lowered continuum, while higher order terms generate structure in the density of states. These density-of-state modifications can alter rates of particular atomic transitions as well as change a plasma's ionization balance.

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