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Rev. Mod. Phys. 66, 671–692 (1994)

Ultrahigh-pressure transitions in solid hydrogen

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Ho-kwang Mao and Russell J. Hemley
Geophysical Laboratory and Center for High Pressure Research, Carnegie Institution of Washington, Washington, D.C. 20015

During the past five years, major progress has been made in the experimental study of solid hydrogen at ultrahigh pressures as a result of developments in diamond-cell technology. Pressures at which metallization has been predicted to occur have been reached (250-300 Gigapascals). Detailed studies of the dynamic, structural, and electronic properties of dense hydrogen reveal a system unexpectedly rich in physical phenomena, exhibiting a variety of transitions at ultrahigh pressures. This colloquium explores the study of dense hydrogen as an archetypal problem in condensed-matter physics.

© 1994 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/RevModPhys.66.671
DOI:
10.1103/RevModPhys.66.671
PACS: