Figure 1. Fields and surface current in a general relationship at the boundary of two regions [11]

From

Magnetic Force Calculation between Magnets and Coils

Ali Jebelli, Arezoo Mahabadi, Mustapha C. E. Yagoub, Hicham Chaoui

International Journal of Physics. 2020, 8(2), 71-80 doi:10.12691/ijp-8-2-5