Comments on "Vortex phase diagram of HgBa${}_2$Ca${}_2$Cu${}_3$O${}_{8+\delta }$ thin films from magnetoresistance measurements"

Y. Z. Zhang, Z. Wang

We make comments on the paper presented by Kim \textit{et al.} [Phys. Rev. B \textbf{61}, 11317 (2000)]. The authors analyzed activation energies of HgBa${}_2$Ca${}_2$Cu${}_3$O${}_{8+\delta }$ t…