Comment on “Loss of Superconducting Phase Coherence in $\mathrm{Y}\mathrm{B}{\mathrm{a}}_{\mathrm{2}}\mathrm{C}{\mathrm{u}}_{\mathrm{3}}{\mathrm{O}}_{\mathrm{7}}$ films: Vortex-Loop Unbinding and Kosterlitz-Thouless Phenomena”

Figure 1

Dissipative part $\omega L_k(T)G^{\prime }$ vs $T/T_c$ from Ref. [1]. The curves correspond to $\omega =30\mathrm{m}\mathrm{H}\mathrm{z}$, $3\mathrm{H}\mathrm{z}$, $1\mathrm{k}\mathrm{H}\mathrm{z}$, and $100\mathrm{k}\mathrm{H}\mathrm{z}$ (from left to right).