Figure 4.

Circulating conductivity and relative permittivity derived from H ⁺ and H ⁻: (a) $\tilde{\sigma }(A(\widehat{\mathbf{y}}))$, (b) $\tilde{\sigma }(A(\widehat{\mathbf{x}}))$, (c) ${\widetilde{ϵ}}_r(A(\widehat{\mathbf{y}}))$, and (d) $\mathrm{\hspace{0.17em}\hspace{0.17em}}{\widetilde{ϵ}}_r(A(\widehat{\mathbf{x}}))$.