GeneralizedLorentzPole¶

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Generalization of the LorentzPole model of the permittivity:

$\begin{eqnarray*} \TField{\varepsilon}^{(\mathrm{rel})} & = & \frac{i\sigma_{\varepsilon}}{\omega-\omega_{p}}+\frac{i\sigma_{\varepsilon}^{\ast}}{\omega+\omega_{p}^{\ast}} \end{eqnarray*}$

In some publications this model is named critical point model. See [1] and [2] for more details.