Comment on “Explanation of the Glasslike Anomaly in the Low-Temperature Specific Heat of Incommensurate Phases”

A Comment on the Letter by A. Cano and A. P. Levanyuk, Phys. Rev. Lett. 93, 245902 (2004). The authors of the Letter offer a Reply.

Figure 1

Power-law specific heat of low-energy excitations of some quasi-1D systems with IC-CDW [2]. Black symbols—doped ${\mathrm{TaS}}_3$ and doped $({\mathrm{TaSe}}_4{)}_2\mathrm{I}$ (provided by J. C. Lasjaunias). Large symbols—$\Gamma /{\omega }_0^2$ ($\sim C_{\mathrm{osc}}$) from measured values of $\Gamma$ and ${\omega }_0$: ${\mathrm{TaS}}_3$ [5], KCP [6], ${\mathrm{NbSe}}_3$ [7], $({\mathrm{TaSe}}_4{)}_2\mathrm{I}$ [8], ${\mathrm{K}}_{0.3}{\mathrm{MoO}}_3$ [9], Ref. [23] of 1.