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A reduced coupled-mode description for the electron-ion energy relaxation in dense matter

By Gianluca Gregori and Dirk O. Gericke

Abstract

We present a simplified model for the electron-ion energy relaxation in dense two-temperature systems that includes the effects of coupled collective modes. It also extends the standard Spitzer result to both degenerate and strongly coupled systems. Starting from the general coupled-mode description, we are able to solve analytically for the temperature relaxation time in warm dense matter and strongly coupled plasmas. This was achieved by decoupling the electron-ion dynamics and by representing the ion response in terms of the mode frequencies. The presented reduced model allows for a fast description of temperature equilibration within hydrodynamic simulations and an easy comparison for experimental investigations. For warm dense matter, both fluid and solid, the model gives a slower electron-ion equilibration than predicted by the classical Spitzer result

Topics: QC
Publisher: EDP Sciences
Year: 2008
OAI identifier: oai:wrap.warwick.ac.uk:1432

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Citations

  1. (1998). Inertial ConīŦnement Fusion (Springer-Verlag, doi
  2. (1994). Numerical Recipes doi
  3. (1967). Physics of Fully Ionized Gases (Interscience, doi
  4. (2004). Quantum Statistics of Nonideal Plasmas (Springer-Verlag, doi
  5. (1991). Statistical Plasma Physics (Addison-Wesley,
  6. (2003). The Physics of Inertial Fusion doi
  7. (2000). Theory of Simple Liquids (Academic, doi

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