Correlation Effects on the Temperature Relaxation Rates in Dense Plasmas

Details Correlation Effects on the Temperature Relaxation Rates in Dense Plasmas Correlation Effects on the Temperature Relaxation Rates in Dense Plasmas

2009-02-11

arxiv.org/abs/0902.1997v5

Physics

Plasma Physics

14 pages, 9 figures

Scientific paper

We present a model for the rate of temperature relaxation between electrons and ions in plasmas. The model includes self-consistently the effects of particle screening, electron degeneracy and correlations between electrons and ions. We successfully validate the model over a wide range of plasma coupling against molecular-dynamics simulations of classical plasma of like-charged electrons and ions. We present calculations of the relaxation rates in dense hydrogen and show that, while electron-ion correlation effects are indispensable in classical, like-charged plasmas at any density and temperature, quantum diffraction effects prevail over e-i correlation effects in dense hydrogen plasmas.

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