Figure 8

The temperature dependence of the spectral weight of the Drude terms normalized by its value at T = 30 K (normal state). When calculating the spectral weight, a cutoff frequency of ω _c  = 9990 cm⁻¹ was used. The spectral weight of the Drude terms at 300 K was evaluated to be 1.10 × 10⁶ Ω⁻¹ cm⁻².