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Electromagnetic induction heating of planets orbiting late M dwarfs

Published online by Cambridge University Press:  13 January 2020

Kristina G. Kislyakova*
Department of Astrophysics, University of Vienna, Türkenschanzstrasse 17, A-1180, Vienna, Austria email: Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria
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We propose induction heating of planetary interiors as an energy source in the planetary mantles. Induction heating arises when a changing magnetic field induces currents in a conducting planetary mantle which then dissipate to heat the planet, mostly within an upper layer called the skin depth. This physical process can play a role in planetary interiors around strongly magnetized stars such as low mass M dwarfs with kG magnetic fields, which are common among these stars.

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This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (, which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
© International Astronomical Union 2020


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