Microfield Fluctuations and Spectral Line Shapes in Strongly Coupled Two-Component Plasmas

Details Microfield Fluctuations and Spectral Line Shapes in Strongly Coupled Two-Component Plasmas Microfield Fluctuations and Spectral Line Shapes in Strongly Coupled Two-Component Plasmas

2010-01-13

arxiv.org/abs/1001.2103v1

Physics

Plasma Physics

5 figures

Scientific paper

The spectral line shapes for hydrogen-like heavy ion emitters embedded in strongly correlated two-component electron-ion plasmas are investigated with numerical simulations. For that purpose the microfield fluctuations are calculated by molecular dynamics simulations where short range quantum effects are taken into account by using a regularized Coulomb potential for the electron-ion interaction. The microfield fluctuations are used as input in a numerical solution of the time-dependent Schroedinger equation for the radiating electron. In distinction to the standard impact and quasistatic approximations the method presented here allows to account for the correlations between plasma ions and electrons. The shapes of the Ly-alpha line in Al are investigated in the intermediate regime. The calculations are in good agreement with experiments on the Ly-alpha line in laser generated plasmas.

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