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Metallic helium in massive planets

Stevenson, David J. (2008) Metallic helium in massive planets. Proceedings of the National Academy of Sciences of the United States of America, 105 (32). pp. 11035-11036. ISSN 0027-8424. PMCID PMC2516209. https://resolver.caltech.edu/CaltechAUTHORS:STEpnas08

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Abstract

In this issue of PNAS, Stixrude and Jeanloz (4) show that band closure in pure helium occurs at lower pressures than previously thought, provided the effect of high temperatures is taken into account. This suggests that helium behaves as a metal, at least at the highest pressures encountered in Jupiter and perhaps over a wider range of pressures in the many, often much hotter, planets of Jupiter’s mass and larger that are now evidently common in the universe (5). The full thermodynamic and transport properties of the relevant mixtures cannot be deduced from the behavior of the end members (pure hydrogen and pure helium) and are therefore an area of ongoing research.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1073/pnas.0806430105DOIArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2516209/PubMed CentralArticle
ORCID:
AuthorORCID
Stevenson, David J.0000-0001-9432-7159
Additional Information:© 2008 by the National Academy of Sciences. PNAS published ahead of print August 6, 2008, doi:10.1073/pnas.0806430105. Author contributions: D.J.S. wrote the paper. The author declares no conflict of interest. See companion article PNAS 103:11071.
Issue or Number:32
PubMed Central ID:PMC2516209
Record Number:CaltechAUTHORS:STEpnas08
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:STEpnas08
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11362
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:07 Aug 2008 20:59
Last Modified:02 Jun 2020 21:07

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