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The role of the molecular-metallic transition of hydrogen in the evolution of Jupiter, Saturn, and brown dwarfsAn equation of state for hydrogen which predicts a molecular-metallic phase transition at finite temperatures has become available recently. The effect of this phase transition on the cooling histories of these two giant planets and of substellar brown dwarfs is studied. The phase transition alters the present age of Jupiter and of Saturn by a few percent. Interestingly, the cooling of brown dwarfs is most strongly affected at the time when the interior adiabat crosses the critical point of the phase transition.
Document ID
19920057161
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Saumon, Didier
(NASA Headquarters Washington, DC United States)
Hubbard, William B.
(Arizona, University Tucson, United States)
Chabrier, Gilles
(Lyon Ecole Normale Superieure, France)
Van Horn, Hugh M.
(Rochester, University NY, United States)
Date Acquired
August 15, 2013
Publication Date
June 1, 1992
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 391
Issue: 2 Ju
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
92A39785
Funding Number(s)
CONTRACT_GRANT: NSF AST-88-20322
CONTRACT_GRANT: NAGW-2262
CONTRACT_GRANT: NSF AST-89-10780
Distribution Limits
Public
Copyright
Other

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