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Probing the hydrogen melting line at high pressures by dynamic compression

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Grinenko, Alon, Gericke, Dirk O., Glenzer, S. H. and Vorberger, Jan. (2008) Probing the hydrogen melting line at high pressures by dynamic compression. Physical Review Letters, Vol.101 (No.19). p. 4801. ISSN 0031-9007

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.101.194801

Abstract

We investigate the capabilities of dynamic compression by intense heavy ion beams to yield information about the high pressure phases of hydrogen. Employing ab initio simulations and experimental data, a new wide range equation of state for hydrogen is constructed. The results show that the melting line up to its maximum as well as the transition from molecular fluids to fully ionized plasmas can be tested with the beam parameters soon to be available. We demonstrate that x-ray scattering can distinguish between phases and dissociation states.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Library of Congress Subject Headings (LCSH):	Cations, Polarized beams (Nuclear physics), Particle beams, Thermodynamics, Strongly coupled plasmas, Plasma arc melting
Journal or Publication Title:	Physical Review Letters
Publisher:	American Physical Society
ISSN:	0031-9007
Date:	6 November 2008
Volume:	Vol.101
Number:	No.19
Page Range:	p. 4801
Identification Number:	10.1103/PhysRevLett.101.194801
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
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URI:	http://wrap.warwick.ac.uk/id/eprint/1544