Journal
HIGH ENERGY DENSITY PHYSICS
Volume 3, Issue 1-2, Pages 99-108Publisher
ELSEVIER
DOI: 10.1016/j.hedp.2007.02.006
Keywords
Warm dense matter; Plasma diagnostic; Thomson scattering; Plasmons
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Funding
- Council for the Central Laboratory of the Research Councils (UK)
- U.S. Department of Energy, National Nuclear Security Administration by the University of California, Lawrence Livermore National Laboratory [W-7405-ENG-48]
- Alexander von Humbolt Foundation
- [05-LDRD-003]
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We present a fully analytical derivation of the static response function in strongly coupled and non-equilibrium plasmas. The model we are proposing is based on a linear response formalism coupled to a charged hard sphere reference for the ions. The electrons, instead, are treated using a local field correction which satisfies the compressibility sum rule at finite temperatures. The model is applied to calculate an effective ion mass that accounts for the self-energy correction of the free particle energy. We will discuss the implication of this approach in the interpretation of experimental results in X-ray scattering measurements from dense plasmas. (C) 2007 Elsevier B.V. All rights reserved.
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