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Measurement of the dynamic response of compressed hydrogen by inelastic X-ray scattering

DOI: 10.1088/1742-6596/244/4/042014 DOI Help

Authors: K. Falk (University of Oxford) , A. P. Jephcoat (Diamond Light Source) , B. J. B. Crowley (AWE PLC; University of Oxford) , R. R. Faustlin (DESY) , C. Fortmann (Institut für Physik, Universität Rostock) , F. Y. Khattak (University of California) , A. K. Kleppe (Diamond Light Source) , D. Riley (Queen's University of Belfast) , S. Toleikis (DESY) , J. Wark (University of Oxford) , H. Wilhelm (Diamond Light Source) , G. Gregori (University of Oxford)
Co-authored by industrial partner: Yes

Type: Journal Paper
Journal: Journal Of Physics: Conference Series , VOL 244 (4)

State: Published (Approved)
Published: August 2010

Abstract: Measurement of the dynamic properties of hydrogen and helium under extreme pressures is a key to understanding the physics of planetary interiors. The inelastic scattering signal from statically compressed hydrogen inside diamond anvil cells at 2.8 GPa and 6.4 GPa was measured at the Diamond Light Source synchrotron facility in the UK. The first direct measurement of the local field correction to the Coulomb interactions in degenerate plasmas was obtained from spectral shifts in the scattering data and compared to predictions by the Utsumi-Ichimaru theory for degenerate electron liquids.

Subject Areas: Environment


Instruments: I15-Extreme Conditions

Added On: 21/09/2010 10:42

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