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The low-frequency conductivity of a disordered Fermi gas in one spatialdimension is governed by the Mott-Berezinskii law $\sigma(\omega) \propto\omega^2 \ln \omega^2$. In a recent Letter [Phys. Rev. Lett. 84, 1760 (2000)]A. O. Gogolin claimed that this law is invalid, challenging our basicunderstanding of disordered systems and a massive amount of previoustheoretical work. We point out two calculational errors in Gogolin's paper.Once we correct them, the Mott-Berezinskii formula is fully recovered. We alsopresent numerical results supporting the Mott-Berezinskii formula but rulingout that of Gogolin.Comment: 1 page, 1 figure, RevTeX

Comment on “Analytic Structure of One-Dimensional Localization Theory: Reexamining Mott's Law”