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4. Clem, J.R. and Coffey, M.W., (1992) Vortex dynamics in a type-II superconducting film and complex linear-response functions, Phys. Rev. B46, 14662–14674.
5. The parameter m depends on the spacing between coils. Here this is assumed to be ~0.5 mm, with coils similar to those described in the previous reference.