Wünsch, Kathrin, Vorberger, Jan, Gregori, Gianluca and Gericke, Dirk O. (2011) X-ray scattering as a probe for warm dense mixtures and high-pressure miscibility. EPL (Europhysics Letters), Vol.94 (No.2). article no. 25001. doi:10.1209/0295-5075/94/25001 ISSN 0295-5075.

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Abstract

We develop a new theoretical approach that demonstrates the abilities of elastic X-ray scattering to yield thermodynamic, structural, and mixing properties of dense matter with multiple ion species. The novel decomposition of the electron structure factor in multi-component systems provides the basis to study dense mixtures as found in giant gas planets or during inertial confinement fusion. We show that the scattering signal differs significantly between single species, microscopic mixtures, and phase-separated fluids. Thus, these different phases can be distinguished experimentally via elastic X-ray scattering.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH):	X-rays -- Scattering
Journal or Publication Title:	EPL (Europhysics Letters)
Publisher:	Institute of Physics Publishing Ltd.
ISSN:	0295-5075
Official Date:	2011
Dates:	Date Event 2011 Published
Volume:	Vol.94
Number:	No.2
Page Range:	article no. 25001
DOI:	10.1209/0295-5075/94/25001
Status:	Peer Reviewed
Publication Status:	Published
Funder:	Engineering and Physical Sciences Research Council (EPSRC), Science and Technology Facilities Council (Great Britain) (STFC)
Grant number:	EP/D062837 (EPSRC), EP/G007187/1 (EPSRC)

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