Fig. 1. Model and physics. (a) Geometry model of analytical theory. (b) Physical mechanism of electromagnetic windmill scattering.

Fig. 2. Numerical calculation results of R₁ = 4.20 mm. (a) t = 0T, (b) t = T/4, (c) t = T/2, (d) t = 3T/4.

Fig. 3. Numerical calculation results of R₂ = 6.76 mm. (a) t = 0T, (b) t = T/4, (c) t = T/2, (d) t = 3T/4.

Fig. 4. Energy flux (Poynting vector) distribution of unidirectional windmill scattering. (a) R₁ = 4.20 mm, (b) R₂ = 6.76 mm. The thick white arrows indicate the left-incident plane wave at f = 4.0 GHz. The thin white arrows represent the energy flux distribution, and the directions of the thin white arrows indicate the transport direction of energy fluxes.

Fig. 5. Polarized magnetic charge distribution of a magnetized gyromagnetic cylinder with R₁ = 4.20 mm.

Fig. 6. Polarized magnetic charge distribution of a magnetized gyromagnetic cylinder with R₂ = 6.76 mm.

Fig. 7. Numerical calculation results of the incident plane waves in different directions. (a), (b) Magnetized gyromagnetic cylinder. (c), (d) Nonmagnetized gyromagnetic cylinder. (a), (c) Right-incident. (b), (d) Up-incident.

Fig. 8. Normalized scattering spectra varying with the radius of the magnetized gyromagnetic cylinder. Three insets indicate the electric field and energy flux distributions of R₁, R₂, and R₃.