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Fast and furious dynamo action in the anisotropic dynamo
Published online by Cambridge University Press: 11 May 2022
Abstract
In the limit of large magnetic Reynolds numbers, it is shown that a smooth differential rotation can lead to fast dynamo action, provided that the electrical conductivity or magnetic permeability is anisotropic. If the shear is infinite, for example between two rotating solid bodies, the anisotropic dynamo becomes furious, meaning that the magnetic growth rate increases toward infinity with an increasing magnetic Reynolds number.
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- © The Author(s), 2022. Published by Cambridge University Press
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