Mathematics – Logic
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981phrvb..23.6399o&link_type=abstract
Physical Review B - Solid State, 3rd Series, vol. 23, June 15, 1981, p. 6399-6407.
Mathematics
Logic
33
Fermi Liquids, Landau Factor, Metallic Hydrogen, Phase Transformations, Thermodynamic Equilibrium, Distribution Functions, Fourier Transformation, Particle Interactions
Scientific paper
It 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.
Ashcroft N. W.
Oliva Julio
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