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Two-component Fermi-liquid theory - Equilibrium properties of liquid metallic hydrogenIt is reported that the transition of condensed hydrogen from an insulating molecular crystal phase to a metallic liquid phase, at zero temperature and high pressure, appears possible. Liquid metallic hydrogen (LMH), comprising interpenetrating proton and electron fluids, would constitute a two-component Fermi liquid with both a very high component-mass ratio and long-range, species-dependent bare interactions. The low-temperature equilibrium properties of LMH are examined by means of a generalization to the case of two components of the phenomenological Landau Fermi-liquid theory, and the low-temperature specific heat, compressibility, thermal expansion coefficient and spin susceptibility are given. It is found that the specific heat and the thermal expansion coefficient are vastly greater in the liquid than in the corresponding solid, due to the presence of proton quasiparticle excitations in the liquid.
Document ID
19810063656
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Oliva, J.
(Cornell Univ. Ithaca, NY, United States)
Ashcroft, N. W.
(Cornell University Ithaca, NY, United States)
Date Acquired
August 11, 2013
Publication Date
June 15, 1981
Publication Information
Publication: Physical Review B - Solid State
Subject Category
Solid-State Physics
Accession Number
81A48060
Funding Number(s)
CONTRACT_GRANT: NSG-7487
Distribution Limits
Public
Copyright
Other

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