The Mechanism of the Transition of Solid Hydrogen to the Conducting State at High Pressures

The change in the structure of solid hydrogen upon compression along the isotherm of 100 K near the transition to the conducting state has been investigated within the density-functional theory. The dependences of pressure and electrical conductivity on the hydrogen density have been calculated. The...

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Published in:Doklady. a journal of the Russian Academy of Sciences. Physics 2018-07, Vol.63 (7), p.272-275
Main Authors: Norman, G. E., Saitov, I. M.
Format: Article
Language:English
Subjects:
Classical Mechanics
Density functional theory
Electrical resistivity
Hydrogen
Interatomic distance
Mathematical and Computational Physics
Molecular ions
Physics
Physics and Astronomy
Solids
Theoretical
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description The change in the structure of solid hydrogen upon compression along the isotherm of 100 K near the transition to the conducting state has been investigated within the density-functional theory. The dependences of pressure and electrical conductivity on the hydrogen density have been calculated. The pressure range from 602 to 836 GPa has been found where the first peak of the pair correlation function arises at a distance of 0.92 Å, which corresponds to the interatomic distance in the molecular ion. Notably, this distance does not change with an increase in density. A sharp increase in the electrical conductivity is also observed.
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source Springer Nature
subjects Classical Mechanics
Density functional theory
Electrical resistivity
Hydrogen
Interatomic distance
Mathematical and Computational Physics
Molecular ions
Physics
Physics and Astronomy
Solids
Theoretical
title The Mechanism of the Transition of Solid Hydrogen to the Conducting State at High Pressures
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