Metallization and electrical conductivity of hydrogen in Jupiter.
Abstract
Electrical conductivities of molecular hydrogen in Jupiter were calculated by scaling electrical conductivities measured at shock pressures in the range of 10 to 180 gigapascals (0.1 to 1.8 megabars) and temperatures to 4000 kelvin, representative of conditions inside Jupiter. Jupiter's magnetic field is caused by convective dynamo motion of electrically conducting fluid hydrogen. The data imply that Jupiter should become metallic at 140 gigapascals in the fluid, and the electrical conductivity in the jovian molecular envelope at pressures up to metallization is about an order of magnitude larger than expected previously. The large magnetic field is produced in the molecular envelope closer to the surface than previously thought.
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In the interiors of Jupiter and Saturn, the conductivity of molecular hydrogen increases with depth and becomes approximately constant where hydrogen becomes metallic at ~1.4 Mbar.
“In the interior of Jupiter and Saturn, the conductivity of molecular hydrogen increases with depth and becomes approximately constant where hydrogen becomes metallic at ;1.4 Mbar (Nellis et al. 1996).”
From Mechanisms of Jet Formation on the Giant Planets (2010) · cites this paper as Nellis et al. 1996
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References 28 · Cited by 111
- Authors
- Nellis, W. J., Weir, S. T., & Mitchell, A. C.
- Affiliations
- Lawrence Livermore National Laboratory (US)
- Corresponding author
- Nellis, W. J.
- Venue
- Science
- Published
- 1996-08-16
- Volume
- 273
- Issue
- 5277
- Pages
- 936-938
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2008102845
- Cited by
- 111
- References
- 28
- Citations by year
- 2026: 4 · 2024: 1 · 2022: 1 · 2021: 3 · 2020: 2 · 2019: 2 · 2018: 2 · 2017: 7 · 2016: 4 · 2015: 8 · 2014: 5 · 2013: 7 · 2012: 10
- FWCI
- 5.15
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Geophysics › High-pressure geophysics and materials
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Ionosphere and magnetosphere dynamics
- Keywords
- Jupiter, molecular hydrogen, electrical conductivity, metallization, shock compression, dynamo, planetary magnetic fields, high-pressure hydrogen, Jupiter atmosphere
- MeSH terms
- Electric Conductivity, Helium, Hydrogen, Magnetics, Pressure, Temperature, Jupiter
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