Gericke, Dirk O., Wünsch, Kathrin, Grinenko, A. and Vorberger, Jan (2010) Structural properties of warm dense matter. Journal of Physics: Conference Series, Vol.220 (No.1). article no. 012001. doi:10.1088/1742-6596/220/1/012001 ISSN 1742-6596.

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Abstract

We investigate the structure in warm dense matter by ab initio simulations and classical fluid equations. This comparison yields valuable information on the system properties such as effective ion-ion interactions and charge states. Extensions to systems with multiple ion species are discussed and the limits of reduced descriptions are demonstrated. The structural information is then used to predict the signal strength in x-ray scattering experiments which, in turn, can be used as diagnostics for warm dense fluids. Here, we need to consider the inelastic feature due to the dynamic response of free electrons as well as the elastic (Rayleigh) peak related to the static ion structure. In a last example, we apply ab initio simulations to calculate the ionic structure in highly excited graphite close to melting.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH):	High temperature plasmas
Journal or Publication Title:	Journal of Physics: Conference Series
Publisher:	Institute of Physics Publishing Ltd.
ISSN:	1742-6596
Official Date:	2010
Dates:	Date Event 2010 Published
Volume:	Vol.220
Number:	No.1
Page Range:	article no. 012001
DOI:	10.1088/1742-6596/220/1/012001
Status:	Peer Reviewed
Publication Status:	Published
Funder:	Engineering and Physical Sciences Research Council (EPSRC)

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