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Applications of liquid state physics to the earth's coreNew results derived for application to the earth's outer core using the modern theory of liquids and the hard-sphere model of liquid structure are presented. An expression derived in terms of the incompressibility and pressure is valid for a high-pressure liquid near its melting point, provided that the pressure is derived from a strongly repulsive pair potential; a relation derived between the melting point and density leads to a melting curve law of essentially the same form as Lindemann's law. Finally, it is shown that the 'core paradox' of Higgins and Kennedy (1971) can occur only if the Gruneisen parameter is smaller than 2/3, and this constant is larger than this value in any liquid for which the pair potential is strongly repulsive.
Document ID
19800046195
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Stevenson, D. J.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 10, 2013
Publication Date
April 1, 1980
Publication Information
Publication: Physics of the Earth and Planetary Interiors
Volume: 22
Subject Category
Geophysics
Accession Number
80A30365
Funding Number(s)
CONTRACT_GRANT: NGL-05-007-002
Distribution Limits
Public
Copyright
Other

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