London Equation bugfix #311
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… rather than mass term
…date documentation.
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The London equation implementation has an issue where the london depth is added as a curlcurl term, where it should have been added as a mass term. This was due to a typo where
dfwas used instead off. The effect of the London equation is to make a reaction-diffusion (second order) boundary layer in the London region, which is independent of driving frequency, hence needing the mass term. The magnetic boundary layer effect was confirmed after this fix.Additionally to get good results requires disabling the divergence free cleaner, as the mass term results in a change to the nullspace of the stiffness matrix.
