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Heat and charge transport in H2O at ice-giant conditions from ab initio molecular dynamics simulations

Author

Listed:
  • Federico Grasselli

    (SISSA—Scuola Internazionale Superiore di Studi Avanzati
    IMX, École Polytechnique Fédérale de Lausanne (EPFL))

  • Lars Stixrude

    (University of California Los Angeles)

  • Stefano Baroni

    (SISSA—Scuola Internazionale Superiore di Studi Avanzati
    SISSA)

Abstract

The impact of the inner structure and thermal history of planets on their observable features, such as luminosity or magnetic field, crucially depends on the poorly known heat and charge transport properties of their internal layers. The thermal and electric conductivities of different phases of water (liquid, solid, and super-ionic) occurring in the interior of ice giant planets, such as Uranus or Neptune, are evaluated from equilibrium ab initio molecular dynamics, leveraging recent progresses in the theory and data analysis of transport in extended systems. The implications of our findings on the evolution models of the ice giants are briefly discussed.

Suggested Citation

  • Federico Grasselli & Lars Stixrude & Stefano Baroni, 2020. "Heat and charge transport in H2O at ice-giant conditions from ab initio molecular dynamics simulations," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17275-5
    DOI: 10.1038/s41467-020-17275-5
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    Cited by:

    1. Shuning Pan & Tianheng Huang & Allona Vazan & Zhixin Liang & Cong Liu & Junjie Wang & Chris J. Pickard & Hui-Tian Wang & Dingyu Xing & Jian Sun, 2023. "Magnesium oxide-water compounds at megabar pressure and implications on planetary interiors," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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