The compression property of hydrogen at megabar pressures and the form of the repulsive interaction potential in hydrogen at short distances

Alexander V. Mitin

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arXiv · 1508.04130

The compression property of hydrogen at megabar pressures and the form of the repulsive interaction potential in hydrogen at short distances

Alexander V. Mitin

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Abstract

It is shown that the slope of the repulsive part of the interaction potential between hydrogen atoms above the dissociation limit decreases with decreasing internuclear separation. Such a form of the repulsive potential explains the reduction of the shock and quasi-isentropic compression curve slopes of hydrogen isotopes at megabar pressures obtained in recent experiments [R. F. Trunin, V. D. Urlin, and A. B. Medvedev, Phys.-Usp. \textbf{53}, 577 (2010), R. I. Ilkaev, \textit{et al.}, AIP Conf. Proc. \textbf{706}, 73 (2004)].

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Alexander V. Mitin. 2015-08-16. The compression property of hydrogen at megabar pressures and the form of the repulsive interaction potential in hydrogen at short distances. https://arxiv.org/abs/1508.04130

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