Journal
LASER AND PARTICLE BEAMS
Volume 27, Issue 2, Pages 311-319Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S026303460900041X
Keywords
Born-Mermin approximation; Collision frequency; Dynamic structure factor; Thomson scattering
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Funding
- German Research Society (DFG) [652]
- Helmholz Association [VH-VI-104]
- Federal Ministry Cor Education and Science (BMBF) [FSP 301-FL, 05 KS7HRAASH]
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With the advent of intense, coherent light sources in the XUV and soft X-ray regime, X-ray Thomson scattering becomes a unique tool for the diagnostics of dense plasmas. The scattering specturm gives direct access to plasma properties like density, temperature, and composition. In dense systems, collisions among constituents are of primary importance for the prediction and interpretation of the scattering signal. We present a systematic approach to the dynamical structure factor using the Born-Mermin ansatz to include collisions via the dynamical collision frequency. Calculations of the scattering spectrum are performed for X-ray scattering on solid and compressed beryllium targets as well as for XUV-photons scattering on hydrogen at near solid density.
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