Magnetic Refraction
Normal (\(\perp\)):
\(B_{1}^{\perp} = B_{2}^{\perp}\)
Parallel (\(\parallel\)):
\(H_{1}^{\parallel} = H_{2}^{\parallel}\)
The magnetic field B must "bend" because its parallel component is linked to H, which behaves differently inside materials.
Total B
Perp (Continuous)
Para (Discontinuous)